IMPROVE- MENTS IN GALVANIC BATTERIES
Year: 1883

page_text: LETTERS PATENT to John Roberts Rogers & James William Rogers both of
7 Hargrave Park Road Upper Holloway N for an Invention of IMPROVE-
MENTS IN GALVANIC BATTERIES
PROVISIONAL SPECIFICATION left by the said John Roberts Rogers and
James William Rogers at the Office of the Commissioners of Patents on tho
27th June 1883.
JOHN ROBERTS ROGERS and JAMES WILLIAM ROGERS both of 7 Hargravo
Park Road Upper Holloway N IMPROVEMENTS IN GALVANIC BATTERIES
The use of two porus pots parts of which are made impervious to the solutions
one is of a less diameter than tho other and the smaller one is placed within tho
larger. In the inner porus cell is placed a carbon plate or block together with a
mixture of graphite and per-oxide of manganese which mixture is to be saturated
with nitric acid; and in the larger cell is placed a carbon plate or block tho
intervening space being filled with a mixture of graphite and per-oxide of
nanganese this mixture is to be saturated with some acid other than nitric or with
a solution of some soluble salt other than that of a nitrate. The two carbon
plates or blocks are to be connected together by means of some good conductor of
electricity this combination forms the negative element which is put into a cell
containing some acid other than a nitric or in a solution of some soluble salt other
than that of a nitrate with a rod or cylinder of zinc as the positive element. The
cell which contains the nitric acid is to be covered over on top and connected by
means of a bent tube with the inside of cither of the other cells.
Having described our invention and the means by which it may be effected we
would have it understood that we do not confine ourselves to the precise details or
arrangements herein-before described as the same may be varied without altering
the principle or nature of the invention but what we claim to secure by letters
patent is as follows:-
1st The use of two porus pots ono within the other the one with a mixture of
graphite and per-oxide of manganese saturated with nitric acid the other with a
mixture of graphite & per-oxide of manganese saturated with some acid other
than nitric acid or with a solution of some salt other than that of a nitrate.
2nd The making of the lower portion of the porus cells impervious to the solutions
or acids.
3rd The tube arrangment connecting the cell containing the nitric acid with
either of the other colls

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said John Roberts Rogers and James William Rogers in the Great
Seal Patent Office on the 27th December 1883.
JOHN ROBERTS ROGERS and James William RoGERS both of 7 Hargrave
Park Road Upper Holloway London IMPROVEMENTS ON GALVANIC BATTERIES
The use of two porus pots parts of which are made impervious to the solutions.
One is of a less diameter than the other and the smaller one is placed within the
larger. In the inner porus cell is placed a carbon plate or block together with a
mixture of graphite and per-oxide of manganese which mixture is saturated with
nitric acid, and in the larger cell is put a carbon plate or block the intervening
space being filled with a mixture of graphite and per-oxide of manganese and this
mixture is saturated with some acid other than nitric acid. The two carbon plates
or blocks are connected together by means of some good conductor of electricity
this combination forms the negative element which is put into a cell containing
some acid other than nitric acid preferably sulphovinic acid with a rod or cylinder
of zinc as the positive element. The cell which contains the nitric acid is covered
over on top and connected by means of a bent tube with the second or
middle cell.
Having described our invention and the means by which it may be effected wo
would have it understood that we do not confine ourselves to the precise details
or arrangements herein before described as the same may be varied without altering
the principle or nature of the invention but what we claim to secure by letters
patent is as follows:-
=
1 The use of Sulphovinic Acid
2 The use of two porus cells the one within the other the one with a mixture
of graphite and per-oxide of manganese saturated with nitric acid and the other
with a mixture of graphite and per-oxide of manganeso saturated with some other
acid other than nitric acid
3d The making of the lower portion of the porus cell impervious to the solutions
and acids
4th The tube arrangement connecting the cell containing the nitric acid with the
second or middle coll
In witness whereof we the said John Roberts Rogers and James William
Rogers have set our hands and scals this 26th day of December in the year of
our Lord 1883