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Edison bulb with copper clamps (1883-1885) - about 6\" long:
$545.00
Edison bulb with copper clamps (1883-1885)The photos describe this bulb. About 6\" long. The bamboo filament is intact and the bulb is functional (first photo). The copper clamps were replaced by carbon paste in 1886.There are several very small bubbles in the glass and the glassblowing imperfection shown in the third photo. The bulb looks unused. PayPal only. Will ship double-boxed, to USA addresses only, free shipping.