IMPROVEMENTS IN THE PRODUCTION OF MOTIVE POWER, AND IN THE APPARATUS CONNECTED THEREWITH
Year: 1872

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LETTERS PATENT to Henri Adrien Bonneville, of the British and
Foreign Patent Offices, 18, Rue de la Chaussée d'Antin, Paris,
France, and 6, Piccadilly, in the County of Middlesex, Patent
Agent, for the Invention of "IMPROVEMENTS IN THE PRODUCTION OF
MOTIVE POWER, AND IN THE APPARATUS CONNECTED THEREWITH."- A com-
munication from Marcelin Francois Dorothée Cavalerie, residing
at Bordeaux, France, Machinist.
Sealed the 9th August 1872, and dated the 15th May 1872.
COMPLETE SPECIFICATION filed by the said Henri Adrien Bonneville
at the Office of the Commissioners of Patents, with his Petition and
Declaration, on the 15th May 1872, pursuant to the 9th Section of
the Patent Law Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, HENRI
ADRIEN BONNEVILLE, of the British and Foreign Patent Offices, 18,
Rue de la Chaussée d'Antin, Paris, France, and 6, Piccadilly, in the
County of Middlesex, send greeting.

page_text: WHEREAS I am in possession of an Invention for "IMPROVEMENTS
IN THE PRODUCTION OF MOTIVE POWER, AND IN THE APPARATUS CONNECTED THERE-
WITH," communicated to me by Marcelin Francois Dorothée Cavalerie,
a person resident at Bordeaux, France, Machinist, and have petitioned
Her Majesty to grant unto me, my executors, administrators, and
assigns, Her Royal Letters Patent for the same, and made solemn
declaration that it is a communication.
NOW KNOW YE, that I, the said Henri Adrien Bonneville, do
hereby declare that the following Complete Specification, under my
hand and seal, fully describes and ascertains the nature of the In-
vention, and the manner in which the same is to be performed,
reference being had to the accompanying Drawings, and to the figures
and letters marked thereon, that is to say :-
This Invention communicated to me relates to improvements in the
application of the forces of gravity and inertia to the production of:
motive power, and in the combination of the different mechanical parts
by means of which this power is developed without expenses, and
rendered available for general purposes.
It must be understood that by "force of gravity" is meant the power
that exists in matter, and is called gravity or weight, and that by "force 1
of inertia" is meant the property that matter possesses to accumulate
in itself the power under the form of quantity of motion. This new
motive power can be substituted for every motive power produced by
steam or otherwise hitherto used.
The accompanying Drawings show apparatus constructed according to
the principle on which the said Invention is based.
Fig. 1 is a longitudinal elevation of the said apparatus, and Fig. 2 is a
plan view of the same. In these Figures similar parts are indicated by
corresponding letters of reference.
A is the cast-iron bed plate holding all parts of the mechanism; B, B,
are two cast-iron uprights connected together by a cross tie piece b, and
firmly attached to the bed plate. To the upper ends of both up-
rights B, B, an axis c on which the balance beam oscillates is mounted.
This beam is formed by two pieces connected together by means of three
cross tie pieces d, d, d; one of the arms of that beam is a bearer for the
axis e, on middle of which is keyed the heavily loaded arm F of the

page_text: weighted lever E, E, that constitutes the force of gravity, or one of the
main parts of the said Invention. The arm F is pivoted to a prong
shaped double connecting rod a pivoted to upper cross tie piece of both.
the uprights firmly attached to the bed plate. The axis e of the
lever E, E, passes through a slot in each upright H, so that the
oscillating motion of the balance beam will not be prevented by the
oscillating motion of the lever E, which in this case acts as a lever of
the second class, and as pendulum balance. I is a connecting rod
hanged to the cross tie piece of the outer arm of the beam, and to the
crank of axis J on which is firmly keyed the fly wheel L, constituting
the second main part of the said Invention, that is to say, the force of
inertia. On the axis J two fast loose pulleys are keyed, the fast one
being the main driving pulley K, K.
The driving apparatus is shown operated in the Drawings. To stop
the motion any friction break may be used. To impart the motion the
centre of gravity will be removed beyond the vertical line as far as
possible by hand or any other suitable contrivance, while the fly wheel
is rotated until the fly wheel shaft crank is below the centre of the said
fly wheel. Then it will be sufficient to impart motion to the crank
beyond the dead point on the required side either on the right or on the
left.
It will be obvious that for each oscillation of the lever E the fly wheel
will make a complete revolution, while by the contrivance used hitherto
two oscillating motions are necessary to turn the wheel completely
round.
It is just the same with a pump, two oscillating motions of any lever
are necessary to force and bring back the pump piston, while a single
oscillation of a lever constructed as above described is sufficient for the
said operation. Whatever may be the strength of the resistance as the
force of gravity is almost unlimited, gravity being proportionate to
masses, and the masses increasing, as cubic progression driving machines
for producing motive power can be constructed of all sizes according to
the said Invention, from the smallest like playthings to the largest and
most powerful.
Having thus described the nature of the said Invention, and the
manner of carrying it into effect, I would have it understood that I
do not confine myself to the precise details above enumerated, as these

page_text: may obviously be modified without departing from the principle on
which the said Invention is based, but what I claim and wish to secure
by the said Letters Patent is, a new and improved driving machine in
which the motive power is generated by the force of gravity and the force
of inertia as above described and represented in the accompanying
Drawings
In witness whereof, I, the said Henri Adrien Bonneville, havo
hereunto set my hand and seal, this Fourth day of May, in the
` year of our Lord One thousand eight hundred and seventy-two.