"Gaspruf" rubber end of gas tubing.
Four-tube low type gas steam radiator.
Gas range in Consolidated Gas Co.
[Copy of an old photo of an] X-ray set up tube.
[Gas range.]
Gas laboratory
"Peerless" cast iron gas range. Consolidated Gas Company
National City Bank. Tube system, central exchange.
"Enterprise" Gas radiator.
Cleaning gas range.
"Peerless" gas range
[Eagle Gas Range.]
[Gas Arc Lighting.]