IMPROVEMENTS IN THE STEREOSCOPE BY MEANS OF TINTED MEDIA, AND BY THE APPLICATION OF An Cone TCHANAKG mun Lame THE PULLEY AND LEVER OR SPRING IN CHANGING THE LIGHTS
Year: 1859

page_text: LETTERS PATENT to Thomas Oswald Small, of the Borough and County
of Newcastle-upon-Tyne, Artist, for the Invention of "IMPROVEMENTS IN
THE STEREOSCOPE BY MEANS OF TINTED MEDIA, AND BY THE APPLICATION OF
An Cone TCHANAKG mun Lame"
Sealed the 6th March 1860, and dated the 8th September 1859.
PROVISIONAL SPECIFICATION left by the said Thomas Oswald Small
at the Office of the Commissioners of Patents, with his Petition, on
the 8th September 1859.
I, THOMAS OSWALD SMALL, of the Borough and County of Newcastle-upon-
Tyne, Artist, do hereby declare the nature of the said Invention for "IMPROVE-
MENTS IN THE STEREOSCOPE BY MEANS OF TINTED MEDIA, AND BY THE APPLICATION
OF THE PULLEY AND LEVER OR SPRING IN CHANGING THE LIGHTS," to be as
follows:-
My Invention consists in the first place in the substitution of coloured or
tinted glasses or other tinted media in place of the uncoloured glasses or other
substances heretofore used for the purpose of reflecting light on stereoscopic
slides; and, secondly, in the application of a pulley or lever for the raising or
depression of such media, by the use of which coloured or tinted glasses or

page_text: other tinted media, assisted by the said pulley or lever, I am enabled to throw
upon stereoscopic slides every degree and variety of light which may be
required.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Thomas Oswald Small in the Great Seal Patent Office
on the 8th March 1860.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, THOMAS
OSWALD SMALL, of the Borough and County of Newcastle-upon-Tyno, Artist,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Eighth day of September, in the year of our Lord One
thousand eight hundred and fifty-nine, in the twenty-third year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me,
the said Thomas Oswald Small, Her special licence that I, the said
Thomas Oswald Small, my executors, administrators, and assigns, or
such others as I, the said Thomas Oswald Small, my executors, adminis-
trators, 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 Inven-
tion for "IMPROVEMENTS IN THE STEREOSCOPE BY MEANS OF TINTED MEDIA, AND
BY THE APPLICATION OF THE PULLEY AND LEVER OR SPRING IN CHANGING
THE LIGHTS," upon the condition (amongst others) that I, the said Thomas
Oswald Small, 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 Thomas Oswald Small, 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, that is to say :-
My Invention consists in the first place in the substitution of coloured or
tinted glasses or other tinted media in place of the uncolored glasses or other

page_text: substances heretofore used for the purpose of reflecting light in stereoscopic
slides; and, secondly, in the application of a pulley or lever for the raising or
depression of such media, by the use of which coloured or tinted glasses, or
other tinted media, assisted by the said pulley or lever, I am enabled to throw
upon stereoscopic slides every degree and variety of light which may be
required.
In witness whereof, I, the said Thomas Oswald Small, have hereunto
set my hand and seal, this Eighth day of March, in the year of
our Lord One thousand eight hundred and sixty.
T. O. SMALL. (L.S.)