Thomas EDISON (1847-1931) Electric pen on base, patented 15 August 1876.
Lot 273 -
Thomas EDISON (1847-1931) Electric pen on base, Patented 15 August 1876.
Thomas Edison's electric pen, part of a complete system for duplicating documents and handwritten drawings, was the first electrically powered office machine produced and sold in the United States.
The electric pen was the key element of a complete duplication system, which included the pen, a cast-iron stand with a wooden insert, the cast-iron base is enamelled with gold-plated accents, the gilding was then repainted.
Normal wear and tear, in working order.
- 参考
- GFAC9225
- 保留价格
- 是
- Weight
- 520 g
- 区域
- Etats-Unis
- 尺寸
- H 155MM X D 90MM
- 出价自 €6,000.00
- 估计 €6,000.00 / €10,000.00
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