A round brass cylinder carbide fuel container with a screw cap surmounted by a short-necked cylinder at right angles to the base which seems to be a "gas chamber." The upper cylinder has at its front end a dish reflector out of the centre of which protrudes a jet, and out of which also protrudes a …
A round brass cylinder carbide fuel container with a screw cap surmounted by a short-necked cylinder at right angles to the base which seems to be a "gas chamber." The upper cylinder has at its front end a dish reflector out of the centre of which protrudes a jet, and out of which also protrudes a flint wheel spark generator for lighting the jet. Atop the cylinder is a tightly flanged hinged cap which can snap into place over and into an opening 2.0 x 1.5 cm oval; in front of the cap opening is a swivel device, probably for varying the flow through the jet. At the back of the cylinder is a hook mounted vertically by rivets and a clasp horizontally, for mounting the lamp on a miner's helmet. Marks:"Justrite/Pat, May 7, 1912/ Pat. Oct 28, 1913/ Pat. Nov 23, 1915/ Others Pending."