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Wallace arc lamp, patent #198,436
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Wallace arc lamp, patent #198,436

Wallace · 1877 · overall: 10 1/2 in x 5 1/4 in x 9 in; 26.67 cm x 13.335 cm x 22.86 cm

From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.

Subjects
PatentsArc LampLighting DevicesModelsWork and Industry: Electricity
Credit lineWallace arc lamp, patent #198,436. 1877. Wallace. National Museum of American History. CC0.
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