A NEW MACHINE for GRINDING, POLISH- ING, AND CONCAVEING CIRCULAR AND OTHER SAWS, AND OTHER TOOLS AND SUBSTANCES
Year: 1870

page_text: LETTERS PATENT to Edward Joseph Jones, of Turk's Head Court,
Golden Lane, in the Parish of St. Luke's, in the County of Mid-
dlesex, for the Invention of "A NEW MACHINE for GRINDING, POLISH-
ING, AND CONCAVEING CIRCULAR AND OTHER SAWS, AND OTHER TOOLS AND
SUBSTANCES."
Sealed the 2nd May 1871, and dated the 8th November 1870.
PROVISIONAL SPECIFICATION left by the said Edward Joseph Jones
at the Office of the Commissioners of Patents, with his Petition,
on the 8th November 1870.
I, EDWARD JOSEPH JONES, of Turk's Head Court, Golden Lane, in
the Parish of St. Luke's, in the County of Middlesex, do hereby declare
the nature of the said Invention for "A NEW MACHINE FOR GRINDING,,
POLISHING, AND CONCAVEING CIRCULAR AND OTHER SAWS, AND OTHER TOOLS AND
SUBSTANCES," to be as follows:-
1
r
This Invention consists of a machine to be worked by steam or any
other power by band, gut, or gear. The saw, tool, or other substance
acted on to revolve to be attached and adjusted to its work by nuts,
,

page_text: screws, and revolving rollers graduated by lever, spring, screws, or
weights. The grindstone lap or tool to revolve or to remain stationary at
the option of the Inventor, to be fixed on a stand, and which grindstone
lap or tool passes backwards, forwards, circular, or at any angle required
to be worked by lever, spring, or gear, the stand working on a pivot or
pivots to which a screw, or lever, or spring is attached to regulate and
adjust the same.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Edward Joseph Jones in the Great Seal Patent
Office on the 8th May 1871.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, EDWARD
JOSEPH JONES, of Turk's Head Court, Golden Lane, in the Parish of
St. Luke's, in the County of Middlesex, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Eighth day of November, in the year
of our Lord One thousand eight hundred and seventy, in the thirty-
fourth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Edward Joseph Jones, Her special
licence that I, the said Edward Joseph Jones, executors, adminis-
trators, and assigns, or such others as I, the said Edward Joseph
Jones, executors, administrators, and assigns, should at any time agree
with, and no others, from time to time and at all times thereafter
during the term therein expressed, should and lawfully. might make,
use, exercise, and vend, within the United Kingdom of Great Britain
and Ireland, the Channel Islands, and Isle of Man, an Invention for
"A NEW MACHINE POR GRINDING, POLISHING, AND CONCAVEING CIRCULAR AND
OTHER SAWS AND SUBSTANCES," upon the condition (amongst others) that
I, the said Edward Joseph Jones, my executors or administrators, by
an instrument in writing under my, or their, or one of their hands
and seals, should particularly describe and ascertain the nature of the
said Invention, and in what manner the same was to be performed, and
cause the same to be filed in the Great Seal Patent Office within six
calendar months next and immediately after the date of the said Letters
Patent.
NOW KNOW YE that I the said Edward Joseph Jones, do hereby

page_text: same is to be performed, to be particularly described and ascertained in
and by the following statement, reference being had to the Drawings
hereunto annexed, and to the letters marked thereon (that is to say :-.
"
The object of this Invention is a machine for grinding, polishing, and
concaveing circular and other saws, and other tools and substances.
Fig. 1. A is the foundation; B, the frame of iron to carry the
machine; C, C, a spindle and faced plate to fix the work to be operated
on; D, a grooved wheel fixed on spindle C to move backwards and
forwards; E, a pully for driving the back gearing to work the carriage
at discretion; f,f,f, are driving pullies.
Fig. 2. A, the frame the machine stands on; B, the spindle; C, the
plate or disc to fix the substance to be operated on by means of a screw
on spindle B; D, a grooved wheel fixed on spindle B; E, E, a lever
with adjusting screws for setting spindle B in the desired position;
fff, are driving pullies; G, the wheel for working back gear; H, wheel
and stud for working lever I, I, I, I, the lever for working moveable
carriage; J, the iron carriage for carrying the grindstone, emery stone,
or tool; K is the grindstone, emery stone, or tool; L is the pulley for
driving K; M is an iron slide for adjusting J by means of bolts and
screws b, b, which is removeable and Fig. 3 substituted.
Fig. 3. A is a moving carriage worked by lever I, I, as shown on
Fig. 2; B, a grind stone, emery stone, or tool fixed to carriage A driven
by wheel C; D, a lever, the end (a) attached to frame A, as shown on
Fig. 2, the end 6 attached to carriage A; E, radius rod, the end (c) attached
to carriage A working in a slot, and the end (d) working in a slot in
frame A, as described in Fig. 2. The radius rod marked D can be
adjusted by means of screws to obtain any radius, concave, convex, or
other angle acting on the saw or other substance to be operated on.
In witness whereof, I, the said Edward Joseph Jones, have hereunto
set my hand and seal, this Eighth day of May, in the year of our
T11071
EDWARD JOSEPH JONES. (L.S.)