Catalog of portables and shades : year of 1910. (1910)
Welsbach Commercial Company. Middle West Department · Welsbach Commercial Company. Middle West Department · leaf 44
3. /o \ntxclusive Type known as STILETTO Reflectors. More Attractive. Edges are thinner; glass is more brilliant and greater sparkle is obtained in these STILETTO prisms. . . . wenty per cent, lighter in weight. Very much higher efficiency. A gain in useful .Humiliation … Welsbach Metal Collar(Pat. 6-14-lG) JH+>3
Gas Lighting · Electric lighting · Interior gas lighting · Interior lighting fixtures, lamps, and ballasts
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