An Improved Incandescent Gas Lamp.
Year: 1896

page_text: Date of Application, 7th Nov., 1896-Accepted, 30th Jan., 1897
COMPLETE SPECIFICATION.
An Improved Incandescent Gas Lamp.
I, JAMES GEORGE BLACK of Cromwell Buildings Bourke Street, Melbourne,
in the Colony of Victoria, Australia Hardware Importer do hereby declare the
nature of this invention and in what manner the same is to be performed to be
particularly described and ascertained in and by the following statement :-
The object of my invention is to provide a lamp for lighting halls, railway
stations, streets &c., that will contain & burn a combination of mantle burners,
without chimneys, which can be lighted and extinguished by a three way tap, to
supply gas to the said burners, through a central double tube, so arranged that a
pilot light may receive a continuous and independent supply of gas.
The lamp is made of thin iron, steel or other suitable metal and can be either
used with or without a shade, or reflector. The globe fits tight top and bottom
and a funnel of novel shape to carry off the heated air, having an adjustable disc
shaped cap over its top, while the supply of air to the globe at the bottom is also
of novel construction so that the inlet of air can be regulated at will, at the same
time by means of a gauze cover flies moths and other things are prevented from
getting inside of the globe and damaging the mantles.
In reference to drawings
Fig. 1 is the side view of the lamp with one half of section and fitted with
shade.
Fig. 2 are detail views of the pilot lights showing that two or four nibs can
be used.
Fig 3 a view looking down of the lower part removel showing the gauze &
Fig. 4 is a side view of the lamp without the shade.
A is the lamp having the shade A', over the top of the glass globe B, fitted in a
circular groove B', the joint is made air tight by asbestos packing b, while the hot
air is carried off through a passage B2, and the funnel B, with its lower end cone
shaped to spread over the burners, while a disc C to cover the top, its under
surface C being flat, said disc can be raised or lowered by means of nuts and
screws C, and is also fixed to the central double tube D, by a collar D' having set
screws D. The tube D has a three way tap d connected by a small pipe d' which
supplies gas to the pilot nibs D and the inner tube D' to the burners D', the lower
solid end De projecting down, with a knob D' screwed thereon to support the
casting E holding the globe in position by set screws E', the casting E has small
air holes E while a corresponding shaped casting e, with holes e', can be pushed
over holes E by a stem e', and F is the gauze for preventing flies, moths &c. from
entering the globe.
Having now particularly described the nature of my said invention and in what
manner the same is to be performed I declare that what I claim is
1. In au incandescent gas lamp the novel construction of the uppermost part
marked A the shade A the cone shaped funnel B³ the combination with the
disc C and method of adjusting same as shown in the drawings and specified in the
specifications.
2. In an incandescent gas lamp the method of regulating the inlet of air by
parts E&e together with the use of gauze F as shown in the drawings and
specified in the specification.

page_text: 3. The combination and arrangement of parts whereby incandescent gas or any
mantle burners can be used without chimneys as clearly shown in my drawings and
explained in the specifications.
1
CA
1000
R. Reid,
J. G. BLACK.
Billiter House, Billiter Street, Agent for the Applicant.