AN APPARATUS FOR CALCULATING THE SPEED OF VESSELS AT SEA, AS WELL AS OBTAINING THE EXTENT OF THEIR DESTINATION CAUSED BY THE SIDE WINDS
Year: 1856

page_text: LETTERS PATENT to Constantine John Baptist Torassa, of Genoa, for the
Invention of "AN APPARATUS FOR CALCULATING THE SPEED OF VESSELS AT
SEA, AS WELL AS OBTAINING THE EXTENT OF THEIR DESTINATION CAUSED BY THE
SIDE WINDS."
Sealed the 17th April 1857, and dated the 30th October 1856.
PROVISIONAL SPECIFICATION left by the said Constantine John Baptist
Torassa at the Office of the Commissioners of Patents, with his Petition,
on the 30th October 1856.
I, CONSTANTINE JOHN BAPTISTE TORASSA, of Genoa, do hereby declare the
nature of the said Invention for "AN APPARATUS FOR CALCULATING THE SPEED OF
VESSELS AT SEA, AS WELL AS OBTAINING THE EXTENT OF THEIR DESTINATION CAUSED
BY THE SIDE WINDS," to be as follows:-
I adapt longitudinally to the ship & beneath the level of the sea an adequate
pipe open at both ends, so that the salt water may run through it during the
progress of the ship. An appropriate box is adjusted to this pipe so that the
water which passes through the pipe will pass through the box also. A valve
is adapted inside to the said box, & is made to shift more or less according to
the velocity of the water passing through the pipe in consequence of the more
or less speed of the ship; this valve is fixed on a shaft bearing as needle,
which indicates on a doal, with proper divisions, the speed of the ship.

page_text: Another apparatus somewhat similar to this will indicate the deviation of the
ship caused by the side winds. This second apparatus is fixed so as to cross
the former, and both are made of metal.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Constantine John Baptist Torassa in the Great Seal Patent
Office on the 28th April 1857.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, CONSTANTINE
JOHN BAPTIST TORASSA, of Genoa, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Thirtieth day of October, in the year of our Lord
One thousand eight hundred and fifty-six, in the twentieth year of Her reign,
did, for Herself, Her heirs and successors, give and grant unto me, the said
Constantine John Baptist Torassa, Her special licence that I, the said
.Constantine John Baptist Torassa, my executors, administrators, and assigns,
or such others as I, the said Constantine John Baptist Torassa, my 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 "AN APPARATUS FOR CALCULATING THE SPEED OF
VESSELS AT SEA, AS WELL AS OBTAINING THE EXTENT OF THEIR DESTINATION CAUSED
BY THE SIDE WINDS," upon the condition (amongst others) that 1, the said
Constantine John Baptist Torassa, 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 Constantine John Baptist Torassa, do
hereby declare the nature of my said Invention, and in what manner the 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
(that is to say):―
I adapt longitudinally to the ship a, beneath the level of the sea, an adequate
pipe open at both ends, so that the salt water may run through it during the
progress of the ship.

page_text: An appropriate box.is.adjusted-to-this-pipe-so-that the water which passes
through the pipe will pass through the box also. A valve is adapted inside
to the said box, and is made to shift more or less according to the velocity of
the water passing through the pipe in consequence of the more or less speed
of the ship; this valve is fixed on a shaft bearing a needle, which indicates
on a dial the speed of the ship.
Another apparatus somewhat similar to this will indicate the deviation of
the ship caused by the side winds. This second apparatus is fixed so as to
cross the former, and both are made of metal.
In witness whereof, I, the said Constantine John Baptist Torassa, have
hereunto set my hand and scal, this Twenty-eighth day of April, in
the year of our Lord One thousand eight hundred and fifty-seven.
Aay
M. Rorray
(L.S.)