Lot 0060

5 Physical Demonstration Instruments, c. 1920

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5 Physical Demonstration Instruments, c. 1920

Item Details

Description

5 Physical Demonstration Instruments, c. 1920
1) "Mammoth" X-ray air-cooling tube with regeneration device, made by Cuthbert Andrews, England, length 20 in. - 2) Crookes cathode ray tube, for demonstrating the influence of an electric field on the electron beam, on wood base, length 11 3/5 in. - 3) Cathode ray tube according to Crookes, showing cathode rays being emitted from the cathode and traveling to the 3 anodes, height 13 in. - 4) X-ray tube, made probably by Rudolf Pressler, Cursdorf, length 13 in. - And: 5) "Maltese Cross", cathode ray tube with aluminum cross inside the tube, designed to flip down, 12 ½ in. wide.

5 physikalische Demonstrationsmodelle, um 1920
1) Große Röntgenröhre "Mammoth", luftgekühlt, mit Regeneriervorrichtung, Hersteller: Cuthbert Andrews, England, Länge 51 cm. - 2) Kathodenstrahlröhre nach Crookes, zur Demonstration der Ablenkbarkeit von Kathodenstrahlen mittels eines Magneten, auf Holzsockel, Länge 29 cm. - 3) Kathodenstrahlröhre nach Crookes, zur Demonstration von Strahlen, die von der Kathode emittiert werden und sich zu den drei Anoden bewegen, Höhe 33 cm. - 4) Röntgenröhre, Hersteller vermutlich Rudolf Pressler, Cursdorf, Länge 33 cm. - Und: 5) Schattenkreuzröhre, Kathodenstrahlröhre mit klappbarem Aluminiumkreuz im Glaskörper, Länge 32 cm.

Start Price: EUR 180

Condition

(2/-)

Buyer's Premium

23.8%

5 Physical Demonstration Instruments, c. 1920

Name: 5 Physical Demonstration Instruments, c. 1920
SKU: 84231222
Price: 600 EUR
Availability: InStock

Estimate €350 - €500

See Sold Price

Starting Price €180

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Koeln, Germany

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