Catalog of portables and shades : year of 1910. (1910)
Welsbach Commercial Company. Middle West Department · Welsbach Commercial Company. Middle West Department · leaf 75
■ T f 3^ lil**f o C. E-Z Boxed Lights * … No. 740 Height, 5% in. No. 740 Boxed complete with No.Pilot By-pass, and three No.C.E-Z vlantles. 739 758 Prices Per 100 $\l0.fa Less than 100 lou, per 100 ((l-ST) No. 730 Height, 4 in.ime No. 740, l)Ut without By-pa Price ** 100 .. %1%n Less than 100 lo per 100 fr fa
Gas Lighting · Electric lighting · Interior gas lighting · Interior lighting fixtures, lamps, and ballasts
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![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-64-23.webp)
