A Method of Increasing the Illuminating Power of Gas made from Coal or other Material,
Year: 1897

page_text: Date of Application, 3rd Dec., 1897
Complete Specification Left, 1st Sept., 1898-Accepted, 29th Oct., 1898
PROVISIONAL SPECIFICATION.
A Method of Increasing the Illuminating Power of Gas made from
Coal or other Material,
I, JOHN RICHARDSON WIGHAM, of 35, Capel Street, Dublin, Lighthouse Engineer,
do hereby declare the nature of this invention to be as follows:-
My invention is intended to enable consumers of ordinary gas to use acetylene
gas made from calcium carbide for the purpose of increasing the illuminating
power of such gas, either throughout the entire premises so lighted or in such
parts of them as it may be desired to have lights of increased illuminating power,
or for street lighting; and consists in a method of applying acetylene gas to gas
made from coal or other material in order to increase its illuminating power. I
apply to the coal or other gas a governor of approved construction or any other
means which will secure to the burners to be enriched a continuous supply of gas
of a given quality and at a uniform pressure. I connect with the pipe which
conveys such gas to the burners a pipe through which I transmit to them from
a suitable generator or gasholder such a proportionate quantity of acetylene gas as
will increase the illuminating power of the coal gas or other gas to the required
standard and I control the proportion of acetylene gas, or of the other gas, or of
both gases by means of a micrometer arrangement with or without suitable
governor so as to ensure the combination of the gases in the proper proportions
and at the necessary pressure to effect the desired increase of illuminating power
and I fix such an index or indices to the micrometer arrangement as will show
at a glance the exact quantities of gas necessary for the required combination so
that the desired illuminating power may be obtained immediately, with precision
and without the emission of any smoke from the burners. One advantage of my
plan is that it would enable Gas Companies to supply at a cheap rate gas of
low illuminating power suitable for cooking and heating, relying upon the com-
bination above described for providing gas of high illuminating power for lighting
purposes.
Dated this 2nd day of December 1897.
A Method of Increasing the Illuminating Power of Gas made from
Coal or other Material.
I, JOHN RICHARDSON WIGHAM, of 35, Capel Street, Dublin, Lighthouse Engineer,
do hereby declare the nature of this invention and in what manner the same is to
[Price 8d.1

page_text: be performed, to be particularly described and ascertained in and by the following
statement;
-
My invention is intended to enable consumers of ordinary gas to use acetylene
gas made from calcium carbide for the purpose of increasing the illuminating
power of such gas either throughout the entire premises so lighted or in such
parts of them as it may be desired to have lights of increased illuminating power,
or for street lighting and consists in a method of applying acetylene gas to gas
made from coal or other material in order to increase its illuminating power. I
apply to the coal or other gas a governor of approved construction or any other
means which will secure to the burners to be enriched a continuous supply of gas
of a given quality and at a uniform pressure. I connect with the pipe which
conveys such gas to the burners a pipe through which I transmit to them from
a suitable generator or gasholder such a proportionate quantity of acetylene gas as
will increase the illuminating power of the coal gas or other gas to the required
standard and I control the proportion of acetylene gas or of the other gas, or of
both gases by means of a micrometer arrangement which consists of a screw valve
with fine screw adjustment and conical seat so that the quantity of gas issuing
through the orifice may be regulated to a nicety and controlled in a manner not
possible with an ordinary gas cock. I apply this micrometer valve with or without
suitable governor so as to ensure the combination of the gases in the proper propor-
tions and at the necessary pressure to effect the desired increase of illuminating power
and I fix such an index or indices to the micrometer arrangement as will show
at a glance the exact quantities of gas necessary for the. required combination so
that the desired illuminating power may be obtained immediately, with precision
and without the emission of any smoke from the burners. One advantage of my
plan is that it would enable Gas Companies to supply at a cheap rate gas of
low illuminating power suitable for cooking and heating, relying upon the com-
bination above described for providing gas of high illuminating power for lighting
purposes.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is
The method above described of combining acetylene with other gases to increase
their illuminating power.