IMPROVEMENTS IN APPARATUS OR MECHANISM FOR REGISTERING AUTO- MATICALLY THE TRAVEL OF A LOCOMOTIVE OR OTHER VEHICLE IN MOTION, AS WELL AS ITS PERIOD OF REST
Year: 1881

page_text: LETTERS PATENT to Raphael Hunter Brandon, of No. 1, Rue Laffitte, Paris,
in the Republic of France, Engineer and Patent Agent, for an Invention
of "IMPROVEMENTS IN APPARATUS OR MECHANISM FOR REGISTERING AUTO-
MATICALLY THE TRAVEL OF A LOCOMOTIVE OR OTHER VEHICLE IN MOTION,
AS WELL AS ITS PERIOD OF REST." A communication by Louis Pouget, Civil
Engineer, of Montpellier, in the Republic of France.
PROVISIONAL SPECIFICATION left by the said Raphael Hunter Brandon
at the Office of the Commissioners of Patents on the 23rd July 1881.
RAPHAEL HUNTER BRANDON, of No. 1, Rue Laffitte, Paris, in the Republic of France,
Engineer and Patent Agent. "IMPROVEMENTS IN APPARATUS OR MECHANISM FOR
REGISTERING AUTOMATICALLY THE TRAVEL OF A LOCOMOTIVE OR OTHER VEHICLE
IN MOTION, AS WELL AS ITS PERIOD OF REST." A communication by Louis
Pouget, Civil Engineer, of Montpellier, in the Republic of France.
For the purpose of this Invention I make use of a sheet of paper or other
appropriate material which I roll on a cylinder, & which is divided longitudinally
as well as vertically by parallel lines. I impart a rotary motion to the covered.
cylinder by means of a clockwork or other appropriate mechanism, and at the same
time connect it with a screw in such a manner that it progresses at a regular rate
at the same time as it rotates, & I record the motion of a locomotive or other
vehicle on this sheet of paper by means of a series of punches or markers, preferably
three, the first of which indicating fractions of a kilometer, the second kilometers,
and the third the retrograde motion of the vehicle by marks underlining the
distance run over. I impart the requisite motion to these three markers by means
of a wheel running on the rail of the line or one of the locomotive wheels. I
convert the rotary motion of this wheel in the two first cases in a to & fro motion
by means of an excentric and a ratchet lever which rotates intermittingly one or more
disk wheels in which are set studs that lift the markers; these latter fall afterwards
on the paper by their own weight, or are impelled by springs or their equivalents;
and in the third case for recording backward motion the extremity of the
actuating ratchet lever is provided with a jointed arm, in such a manner that on
the forward motion of the vehicle the arm rises & falls without actuating the lever,
but on the backward motion of the same it acts against a stop on the said lever,
thus actuating the same.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Raphael Hunter Brandon in the Great Seal Patent Office on
the 19th January 1882.
RAPHAEL HUNTER BRANDON, of 1 Rue Laffitte, Paris, in the Republic of France,
Engineer and Patent Agent. "IMPROVEMENTS IN APPARATUS OR MECHANISM FOR
REGISTERING AUTOMATICALLY THE TRAVEL OF A LOCOMOTIVE OR OTHER VEHICLE
IN MOTION, AS WELL AS ITS PERIOD OF REST." A communication by Louis
Pouget, Civil Engineer, of Montpellier, in the Republic of France.
My new apparatus, which I here term a chronotachymètre, serves to record
automatically and indelibly for any kind of vehicle, but more particularly for
locomotives, the precise time as well as the velocity and the direction travelled
in the distance run over, the stoppages, the time occupied working or at rest, etc.,
at any fraction of a minute during the day or the night; these different operations
are recorded in such a manner that the precise moment at which any or all have
taken place is always clearly indicated.
In order that the same be clearly understood and easily put in practice, I
will describe it in detail conjointly with the six Figures of the five accompanying
Sheets of Drawings, of which
Fig. 1 is a longitudinal elevation and Fig. 1 A a plan of the first part of the
said mechanism which is actuated directly by the locomotive wheel or by any
other wheel of a railway train, and which transmits its motion to the recording
mechanism.
Fig. 2, a plan; and Fig. 3, a longitudinal elevation of the recording mechanism
or chronotachymetre.
Fig. 4, a front view of the recording sheet; and
Fig. 5, a back view of the latter.
These five Figures are drawn full size.
The chronotachymetre consists in a clockwork A (Fig. 2 and 3), fitted with
a close cover in order to exclude the dust, it imparts rotary motion to a cylinder
--C,C, C, C, mounted on a fixed screwed shaft B, B', the pitch of which is in this case
five millimeters, therefore any one point of this cylinder describes during-its-
rotation a spiral, the lines of which are five millimeters apart; this cylinder may,
for example, be twenty centimeters long, and its circumference equal to thirty
centimeters. A tube of about the same length as the cylinder covering the
extremity B of the screw is rotated by the clockwork A; it carries with it the
cylinder C, C, C, C, by means of the horizontal feather K, K, see Fig. 2, which
stands above the surface of the tube, and which passes freely in a slot cut in the
cylinder; but as this latter is engaged in the thread of the fixed screw at the
end B by means of a pin B which can be lifted by a button B, and which is
maintained in the thread by incans of a spring whilst rotating, it must necessarily
travel also from left to right at the rate of five millimeters for each revolution
which is regularly imparted to it; when it has arrived at the end B' of the screw
this pin falls on the smooth part B thereof, the diameter of which is equal to that
of the bottom of the thread, so that the clockwork A may continue to rotate with
the cylinder, but this latter does not travel along the screw.
A recording sheet of paper, Fig. 4, is folded round the cylinder C, C, C, C ; this
sheet is ruled nearly parallelly with its base, the lines being inclined about 5 milli-
meters like the thread of the screw above mentioned; therefore when the sheet is
rolled on the cylinder C, C, C, C, the end of the first line coincides with the com-
mencement of the second line precisely on account of the inclination of the ruling
amounting to five millimeters; a spiral line is the consequence; therefore after a

page_text: certain amount of service has been performed and the recording sheet is taken off
the cylinder; the latter being laid flat, the above mentioned spiral line will be
found to represent a series of parallel equidistant lines perpendicularly to the
base of the cylinder on which it is applied. The paper is divided in thirty columns,
one centimeter wide, for instance, each being subdivided if requisite in two or more
equal parts. For printing this sheet light colored ink should be employed (bistre,
for instance) in order that the impressions made by the markers or stamps hereafter
referred to be clearly visible. If the clockwork A is made so that each column on
rotating advances a quantity equal to its width (one centimeter) in one minute,
each revolution of the cylinder will be made in thirty minutes or one half hour;
but if a larger space is required for each minute for the purpose of more clearly
recording each half hectaineter, or each quarter of a hectameter run over, or even
still smaller fractions of a hectameter, this end can be readily attained either by
causing the revolution of the cylinder to be made in a quarter of a hour, which
would give a length of two centimetres to each division corresponding to one minute,
or by augmenting the diameter of the cylinder, or again by increasing the pitch of
the screw B, B¹, whereby the horizontal lines on the recording sheet are set further
apart.
The cylinder C, C, C, C, can be easily made to rotate once in a quarter of a hour
by replacing the two gears A', A", Fig. 2 and 3, by two others, having each the
same diameter set on the same axles.
In order to render the reading and the verification of the recording sheet as
rapid as possible, a small and extremely simple mechanism is adapted for marking
from the outside at the place where each stoppage leaves a vacant space the initial.
letter, or the entire or part of the name of a station. The initial letter is quite
sufficient for this purpose, since the run of the locomotive is mentioned at the head
of each sheet. This little mechanism is not useful for locomotives which drive
regular passenger trains.
Instead of this initial letter certain railway companies prefer a mark or stamp
operated likewise from the outside, making a special mark, and if required striking
a bell; the station master or his employe actuates this stamp at the same moment
that he gives the order to go ahead. Any contestation respecting the moment at
which this order was given is avoided, for this special mark printed at its precise
time on the recording sheet makes this point certain.
Two hammers, D and D2, which strike their respective punches or markers
WI, W, are situated opposite the cylinder C, C, C, C, and about on a level with its
axis, the one D' marks every 25 metres run over or any other subdivision of the
kilometer, the other D2 each kilometer travelled; a third punch or marker W
which is operated by the hammer D underlines the two preceeding indications when-
ever the locomotive travels backwards. These punches or marks act as hereafter
described.
A special wheel R, Fig. 1, passing through the cover of locomotive wheel
receives rotative motion from its contact with one side or with the upper surface
of one of the locomotive wheels R¹. This wheel is held in a wrought iron frame
C¹, C¹, C, C, and in this case its circumference is one metre 25 centimeters by
about 3 centimeters thick. It is slightly rounded on its surface in order that
under all circumstances its contact with the locomotive wheel occurs at the largest
diameter of this rounded part, for it is at that part that the standard measure of
1m 25 takes place; under these circumstances the measure indicated will not be
affected by the wear of the locomotive wheel, tyre, at the same time it is evident
that this road wheel R is set so as to invariably run on the same part of the tyre
of the locomotive wheel.
The foundation plate J, J, J, J, Fig. 1 and 1a, is made of cast iron about one
centimeter thick exclusive of the ribs; on it is placed the chronotachy metre with
the exception of the road wheel R and the worm M. It is fixed solidly on the tops
of the supports Y, Y, which are properly arranged for its reception. The wheel R. is
supported by a metal frame C¹, C₁, C, C' of plate iron or U shaped iron on which

page_text: its plumber blocks are bolted. On its shafts is made fast the worm M in which gears
the horizontal worm wheel N which is provided with twenty teeth. The shaft St
of this wheel turns in a sleeve bolted on the foundation plate, and which is shewn
in elevation, Fig. 1. The pitch of the worm M is such that one revolution of the
wheel R passes two teeth only of the worm wheel N, which therefore turns
ten times slower than the road wheel R.
The frame C', C, C, C, which carries road wheel R swivels on its front side
like a hinge on Z, Z, thanks to the rod V2, when the inequalities of the road or
of the tyre of the locomotive wheel cause this wheel to rise or to fall. It is there-
fore only this wheel with its worm M fitted on its shaft L that oscillates; this
motion is however of such slight extent as regards this latter, which is situated
between the road wheel R and the pivots Z, Z', that it does not prevent M and N
from being always properly geared together. In practice the maximum of such
oscillations amounts to three centimeters at the point of contact of the road wheel R
with the locomotive wheel.
On the other hand all oscillation of M might be annulled by the displacement
of the pivots Z, Z¹, and by placing them on a line perpendicular with the shaft L
of the wheel R, and passing through the middle of the length of the worm M.
V, V, V, V, represents the commencement of. the metallic box containing the
chronotachymeter; it is about twenty four centimeters high.
QQQQQQ, are two right angle pieces adapted at the right and at the
left, Fig. 1, and which act as a support for the foundation plate J, J, J, J, and for
the rod V2, forming a hinge for the free oscillations of the frame C³, C¹, C¹, C₁,
which carries the road wheel R as well as for the springs R2, R2, formed of one or
more plates; an appropriate tension causes these latter to bear sufficiently on the
rods H, H', Fig. 1°, which are attached to the frame C¹, C¹, C¹, C¹.
In this manner the roadwheel R is forced to press constantly on the locomotive
wheel in order that the travel of the latter on the rail shall be always exactly
measured, therefore this adherence is at all times constant; this fact has been
demonstrated by practise notwithstanding trepidations, shouldering, and other
more or less sudden motions of the locomotive.
The connection of the clockwork A with the cylinder C, C, C, C, Fig. 2 and 3,
can at any time be broken with the object of taking it out for the purpose of
inspection without touching the cylinder or its screw B, B'. The clockwork is
solidly attached by bolts I, I, I, I, on an upright plate I, the lugs I, I, I, I, of
which are bolted on the cast iron base plate. J, J, J, J; this latter plate may
be about one centimeter thick exclusive of-its-ribs.-The-dial plate is placed over
the stud K¹ for the hands; it may be coated with luminous paste so as to be read
at any time of the night by the driver without the aid of a lantern.
K2, Fig. 2 and 3, is the square stud of the spring barrel.
S, S, Fig. 2 and 3, is a support which can oscillate on S³. A hole O' is bored
in its upper extremity, in which the extremity B₁ of the screw B, B', is inserted,
so that this latter is solidly maintained in position and cannot be affected by
trepidations. A partial disc D³, which is hung on the stud F, and which is
partially excentric at E, E, pushes the support S2, S3, against a stop H', and
thus maintains it stationary and solidly in its normal position indicated in Fig. 2
and 3.
H', H2, H3, are stops which limit the stroke of the hammers 01, 0%, and D;
F¹ is a small vertical shaft which carries the springs X, X, X2, and X³, which are
maintained fixed in their position by a pin T5, Fig. 2.
WORKING OF THE CHRONOTACHYMETRE.
On the middle part of the shaft L, Fig. 1 and 1*, of the roadwheel R is keyed a
worm M with a few threads of a proper pitch, and which at each revolution drive
the worm wheel N two teeth forward, this latter being provided with twenty teeth

page_text: these proportions may however be varied. The other parts of which mention will
be made are fixed like the lugs I, I, I, I', on the foundation plate J, J, J, J, above
referred to.
At each revolution of the worm wheel N, the rod O, Fig. 2 and 3, by means of
the lever Qfulcrumed at H acts on a rachet pawl P, and this rotates the ratchet
wheel S one tooth. The roller pawl P¹ serves to maintain the ratchet wheel S in
the position imparted to it by the pawl P in, order that it cannot turn back
through the pressure of the springs X1, X2, of the hammers D', D². After a
progression of two teeth the pin T encounters and raises the lever V₁, which by
the sleeve V, to which it belongs, forms a part with the hammer D¹, which is fixed
on the upper extremity of this same sleeve. Suddenly liberated by the pin T, the
hammer D¹ falls impelled by the spring X¹ on the marker W1, which makes a
mark on the recording sheet, Fig. 4, previously rolled on the cylinder C, C, C, C,
Buch, for instance, as a bar 1, which signifies in the present case that twenty five metres
have really been run over on the rail by the locomotive, since it is only after.the
wheel R (which has one metre twenty five centimeters diameter) has made twenty
revolutions that the hammer D¹ has been enabled to strike the marker W¹, and so
on as each pin T passes until T represents itself, for in the present case the ratchet
wheel S has eighty teeth, and on its upper face forty similar pins equidistant, that
is to say, one pin for each two teeth of the ratchet wheel S. Only three of the
pins T, T1, T2, have been indicated in the Fig. 2, and one only T in the Fig. 3.
After forty of these marks have been made, a second hammer D2 is raised by the
pin T3, fixed in the wheel S, acting on the lever U2, and suddenly brought down
by the spring X2 in the same manner as the hammer D¹ above described; by
falling on the marker W2 it prints below or above the four marks .1, 1, 1, 1, above
referred to, a fresh mark v, for instance, which indicates clearly that the
locomotive has really run over one kilometer on the rails, and so on for each
kilometer.
Be
It is evident that by fixing a larger or a smaller number of pins on the upper
face of S, more or less numerous fractions of kilometers will be printed.
The backward motion of a locomotive is imprinted in the following manner on
the recording sheet, Fig. 4.
So long as the locomotive travels normally, that is to say, with its tender behind,
the lever U, Figure 2, is pushed towards the right in the opposite direction to the
one indicated by the point of the arrow, and in this case it is inoperative on the
hammer D, the reason for which is given below; but if the locomotive travels in
the opposite direction to the preceding one the lever U is impelled to the left
in the direction indicated by the arrow; it drives before it the rod U³, Figure 3,
which forms part with the upper surface M' of the sleeve which carries the
hammer D. This latter, suddenly brought down by the spring X, falls on the
marker W, and prints on the recording sheet another sort of mark, such, for
instance, as a horizontal bar, which underlines the other two sets of marks
which are constantly printed, whether the locomotive progresses or retrogrades ; it
indicates that whenever such underline exists the locomotive has retrograded.. It
should be remarked that the underline is printed at each revolution of the worm-
wheel in Figure 1, that is to say, for every twelve inetres and a half really run
over the rails, these underlines may be multiplied or augmented by augmenting
the number of pins fixed on the face of the disc S¹.
I now explain why the marker W is inoperative when the locomotive progresses
forward.
I remark in the first place that the lever U (Figures 2 and 3) is engaged between
the spring X and the rod Us; and in the second place, that the sleeve M', M²,
which is provided with the spring X³ as well as with the haminer D at its upper
extremity M', and with the lever U at its lower extremity M2, is divided in two
distinct parts M', M², merely placed one above the other at the horizontal line Z³, Z².
It follows from this arrangement that if the shaft S' of the gear N, Figure 3, turns
in the direction of the arrow, Figure 2, the effort of the lever U against the rod U³

page_text: It
impelled in this direction causes the upper part M' to turn with the lower part M²,
since the lever U forms an integral part of this latter. The hammer D is then
raised and falls suddenly directly by its rotary motion the stud T4 abandons the
lever U, but when the shaft S of the gear N turns in the contrary direction of
the arrow, Figure 2, the effort of this same lever U takes place in the opposite
direction, that is to say, it is impelled in the direction of the spring X³.
necessarily follows that the upper part M' of the sleeve M1, M2, does not move
because it is retained in its position of rest by the spring X, which maintains it
applied against the stop H³, consequently the hammer W will not be raised when
the shaft S¹ of the gear N turns in the contrary direction to that indicated by the
point of the arrow in Figure 2.
In order to provide a perfect check, however long a time after the recording
sheet has been printed, it has been necessary that the impression of the markers on
the recording sheet, Figure 4, be made clearly, legibly, and specially indelibly. I
will describe two principal ways of realizing this important point.
The first way
consists in rolling round the cylinder C, C, C, C, Figures 2 and 3, a sheet of colored
carbon paper such as is used for copying letters, then the recording sheet is rolled
round it, the same being printed on both sides; several series of such sheets may
be superposed in case two or more copies of the recording sheets are required. It
will be understood that the carbon paper makes a clear and indelible mark on the
recording sheet when a hammer strikes a corresponding marker. The carbon
paper may be replaced by a colored tissue which resists better the impact of the
markers when the second mode of operation is adopted.
The second mode consists in rolling the colored paper or tissue around a cylinder
of very small diameter but of the same length as the cylinder C, C, C, C, with
which it is placed parallely and in close proximity. Fingers properly arranged
press on the paper or the tissue and prevents its unrolling, whilst a small strip
thereof is allowed to hang over and is inserted between the recording sheet and
the markers. A small slot is made in the central and protruding hub C2 of the
cylinder C, C, C, C, in which is inserted a rod fixed at right angles to the corre-
sponding extremity of the axis of the small cylinder. It follows that this small
cylinder is moved along horizontally, therefore it does not rotate, and the coloring
material remains constantly placed under the markers which strike it on falling
and change continuously the part of the same in which they strike in consequence
of the above mentioned horizontal displacement. For each fresh recording sheet
rolled on the cylinder the strip of colored material previously made use of is cut
off, the fingers are released and a fresh length of colored material is drawn forward,
which will serve for printing the freshly laid recording sheet, and so on until the
entire sheet of coloring material has been utilized. I will now give two examples
of registration on a recording sheet, and in order to render the explanation thereof
easier, I will suppose that it has been obtained from a chronotachymetre which
only marks kilometers and hectometers both whilst progressing and whilst
retrograding.
1
1
If on the recording sheet, Figure 4, two marks ▼ one above the other are seen
at the commencement of the 3rd column of the 8th horizontal strip, two other
marks superposed ▾ at the commencement of the 5th column of the same strip, and
nine intermediate marks, of which the four last are further apart than the five
preceding ones, it indicates that at 32 minutes past 3 the speed of the locomotive
was one kilometre in 2 minutes, but that the first half kilometre was run over in
half a minute, which shews a considerable slackening of speed (readily perceptible)
during the second half kilometre. All these marks being underlined shews that
the locomotive was retrograding.
At the 41st minute of the same strip there is indicated the travel of a locomotive
running over one kilometer regularly every minute, being at the rate of 00
kilometers an hour, with a stoppage of 2 minutes from 47 minutes to 40 minutes
past 3 o'clock; these marks not being underlined shew that the train was running
forward.

page_text: I have already shewn how easy it is to cause the hammers to strike the markers
every 50 minutes or every 25 minutes, and oftener if required, so as to indicate
exactly the speed of trains on passing switches and points, which is a very important
question. To this end it is sufficient, as above stated, to augment the number of
studs set in the upper face of the gear S, Figure 2.
I may also say that it is easy to arrange the hammer that prints the kilometers
in such a manner that it will simultaneously impel forward one division, the hand
or indicator of a dial adding up the kilometers as fast as they are run over.
Figures indicating the hours may be printed beforehand on the commencement of
all the consecutive horizontal strips, recommencing after the two strips indicating
XI. o'clock, and so on to the end of the sheet, Figure 4, the height of which depends
on the nature of the service. The squares of the vertical columns or minutes are
numbered from 0 to 29, and from 30 to 59 horizontally in the case of one half hour
for each revolution of the cylinder.
But in order that the recording sheets should not be inconveniently long, and on
which as many as 22 blank lines might be seen, if, for instance, a train started
at 11 o'clock, it is preferable to place a zero, or to leave a blank at the first square
of the hours. The station master in such case marks on the leading line that
the chronotachymetre is started, and he can if necessary continue marking the
following hours. In this manner the height of the cylinder is reduced, the least
possible surface of the sheet being unemployed.
I lay particular stress on the very important Invention due to my recording
sheet with horizontal lines indicating every hour with indelible ink, every
kilometer apart from the subdivisions of kilometers, the retrograde running being
also recorded separately or distinctly from these two inscriptions indicating the
travel of a locomotive. A recording sheet thus obtained shews clearly and at first
sight the, stoppages and speeds, with any augmentations or slackings at every
fraction of a minute during the day or during the night, for it has just been shewn
that the figures printed at the head of the horizontal strips, or preferably marked
thereon by the station master or other employé, indicate the hours or the time,
whilst the arrow figures printed in the other squares of these stripes indicate
the minutes, and, if desired, fractions of minutes. The exact time therefore passes
under the markers, consequently it must be made to coincide with that of the
chromameter or clockwork A, Figures 2 and 3; when the cylinder C, C, C, C, is
placed in the machine provided with its recording sheet this is easy, for the
chronometer is independent, and its working unaffected by the placing of the
cylinder in the machine or setting it to time. In order to bring the exact time at
the moment of starting the chronotachymetre under the markers, the recording
sheet is printed on the back, reproducing exactly the impression on its front face
as though such impression was seen transparently, that is to say, inversely, for the
impression on the back is no longer visible under the recording sheet is rolled on
the cylinder. When this maniputation is effected, the station master or other
employé locks the box containing the entire mechanism, and all that is seen from
without is a dial about 15 centimeters diameter, giving very visible the same time
in all the stations. The driver will no longer dare to run at a dangerous speed, as
he will be aware that any and every such excess or irregularity will be and is
printed on the recording sheet.
By the addition of a small compensating wheel added to the chromotachymetric
part of the apparatus, each railway company may suppress the special road-wheel R,
Fig. 1, and replace it by one of the locomotive wheels, preferably not on one on
which the break is applied, but in such case the measure of the distance run over
will not be accurate.
My chronotachymetre can be readily applied to vehicles on ordinary roads by
placing it either on the axle or against the axle in a small case. Under these
circumstances the transmission of motion to the pawl P from the ratchet wheel S
may be devised in many ways, either by a stud fixed in the hub of the coach wheel,
which impels a lever at each revolution of the wheel, the said lever being brought

page_text: brought back to its normal position by its own weight or by a spring; or again, by
means of a circle of appropriate height, eccentric internally, fixed on the hub, and
sufficiently deep, and receiving a lever provided with a bowl, which imparts the
motion to the pawl P of the ratchet wheel S, and thus produces the same effect as
the one described in the apparatus represented in Fig. 2; or again, by means of
air compressed in a reservoir at each revolution of the wheel, and which acts at a
distance on a sort of bellows or piston, producing a to and fro motion like a
connecting rod, which allows of obtaining results analagous to those of the different
levers represented in the accompanying Drawings."
It will be easily understood that my chronotachymetre can be readily made to
work by the application of electricity; it is extremely solid, and neither heavy,
voluminous, nor expensive.
Having thus explained the nature of my Invention, as well as the best means I
am acquainted with for carrying the same into practice, I claim,-
Firstly. The use of a road-wheel rotated by a locomotive wlieel or other wheel
of a train of railway vehicles with which it is constantly maintained in contact for
the purposes indicated, and as above described and illustrated in the Fig. 1 and la
of the accompanying Drawings.
Secondly. The arrangement and construction of the mechanical organs for
converting this continuous rotary motion of a road wheel into an intermittent rotary
motion imparted to the chromotachymetric apparatus, as above described and
illustrated in Fig. 2 and 3 of the accompanying Drawings.
Thirdly. The arrangement and construction of the mechanism above described
and illustrated in Fig. 2 and 3 of the accompanying Drawings, whereby the
rotation of the road-wheel, in conjunction with the motion derived from clock work,
are made to record on a sheet of paper or other appropriate material the progressive
and the retrograde motions of a locomotive in kilometers and in fractions of
kilometers, distinguishing clearly the progressive motion from the retrograde
motion, and indicating clearly in all cases the rates of travel or speeds at any
minute of the day or the night.
Fourthly. The arrangement and construction of mechanical parts for impressing
or marking the travel of locomotives or of other vehicles by successive imprints by
means of punches or markers on paper or other appropriate material, as above
described and illustrated in Fig. 2 and 3 of the accompanying Drawings.
Fifthly. The different methods above described of dividing_the_recording sheet.
and of setting it to time with the clock work at the time of starting a train or a
locomotive as above described.
Sixthly. The method above mentioned of inscribing manually the name of a
station on the recording sheet when starting, or any conventional sign agreed upon,
as above described; and
Seventhly. The methods above described of employing carbonised or colored
greasy papers or tissues for producing the requisite marks on the recording sheet,
as above described.
In witness whereof, I, the said Raphael Hunter Brandon, hath hereunto set
my hand and seal. this 16th day of January 1882.
Witness,
D. H. BRANDON,
1, Rue Laffitte,
Paris,
R. H. BRANDON. (L.S.)