Catalog of portables and shades : year of 1910. (1910)
Welsbach Commercial Company. Middle West Department · Welsbach Commercial Company. Middle West Department · leaf 25
No. 416Welco Invertedo mantles will last 2000 light-h« equal to one y< rs ser- undt normal conditions of use,*ut hrinkage, breakage, or leg of light. Mounted on 3 ,! ring. ^//// Pric< per 104 < m i • . - J- ? •
Gas Lighting · Electric lighting · Interior gas lighting · Interior lighting fixtures, lamps, and ballasts
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
