Welsbach Commercial Company.

• Bulletins and papers relating to the incandescent gas lighting industry
• Complete line of Welsbach electric lighting fixtures
• Facts and figures proving inequality in proposed import duties on monazite sand, a raw material, and thorium salts, the manufactured product thereof
• Gas and electric table lamps
• Priced catalogue no. 8
• Reflex inverted gas light
• The home illuminated
• The Welsbach light
• The Welsbach system of incandescent gas lighting