有抽屉的小柜 - 木
编号 36813825
已售出
最终出价
€ 110
212周前
鲁姆考夫线轴 (3) - 木, 铜, 黄铜 - Early 20th century
Devices used in physics laboratories for electrical current experiments. They are induction coils (also known as the Ruhmkorff coil) which, starting from a low-voltage direct current source, produce high voltage pulses. The devices are three of which the oldest, probably from the late 1800s, is a real collector's item. The dimensions shown refer to this piece.
编号 36813825
已售出
鲁姆考夫线轴 (3) - 木, 铜, 黄铜 - Early 20th century
Devices used in physics laboratories for electrical current experiments. They are induction coils (also known as the Ruhmkorff coil) which, starting from a low-voltage direct current source, produce high voltage pulses. The devices are three of which the oldest, probably from the late 1800s, is a real collector's item. The dimensions shown refer to this piece.
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