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Lot 0204
2 Physical Demonstration Models, c. 1910
1) Crookes' radiant matter tube, height 16 ½ in. – And: 2) Winkelmann-type vacuum double bulb, 1 glass tip broken, height 15 ¾ in.

2 physikalische Demonstrationsmodelle, um 1910
1) Crookes'sche Röhre, Höhe 42 cm. – Und: 2) Doppelte Kathodenstrahlröhre, 1 Glas an der Spitze gebrochen, Höhe 40 cm.

Start Price: € 100

Condition

(4/-)

Starting Bid

€100.00

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  • 24.3%

2 Physical Demonstration Models, c. 1910

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Estimate €200 - €300
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