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Justrite 3 Date Wire Feed Top Marking | JUSTRITE NO. 407 WIRE FEED - Horizontal Justrite cap lamp with 2 1/4 in. reflector, marked on side JUSTRITE MADE IN U.S.A. PAT. MAY 7, 1912 PAT. OCT. 28, 1913 PAT. NOV. 23, 1915 OTHERS PENDING and OFF on other side, marked Justrite Wire Feed, double ring beaded base, round water door, complete with round hook and cap braces [Around 1917, Justrite changed the 3-date patent stamping on the tank to remove the 1901 date and add the 1915 date. Later, around 1921, after Augie Hansen had left and William Frisbie had become chief Justrite designer, MADE IN U.S.A. was added to the 3-date tank marking. At that same time, Justrite dropped both the Lever and Liberty water feed options and this lamp was offered with the Justrite wire feed as No. 407 and with the Polygon water feed as lamp No. 707. See Thorpe, Carbide Light, pp 135-138 and Kouts, Miners' Carbide Lamp Reference Justrite Catalogs, Vol 10, pp 109-111] | Original Image |
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