5 Physical Demonstration Instruments, C. 1920 - May 16, 2020 | Auction Team Breker In Germany
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5 Physical Demonstration Instruments, c. 1920

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5 Physical Demonstration Instruments, c. 1920
5 Physical Demonstration Instruments, c. 1920
Item Details
Description
5 Physical Demonstration Instruments, c. 1920
1) Canal ray tube after Goldstein, made by by Rudolf Pressler, Cursdorf, Germany. Height 13 in. - 2) Vacuum bulb with Tesla vacuum, height 12 ¼ in. - 3) X-ray tube, with regeneration device in shape of a small active carbon ball, made by Rudolf Pressler, Cursdorf, length 13 in. - 4) Crookes paddle wheel tube, 11 in. wide. - And: 5) X-ray tube, without regenerator, length 9 7/8 in.

5 physikalische Demonstrationsmodelle, um 1920
1) Kanalstrahlröhre nach Goldstein, mit geschlitzter Anode aus Aluminium, Hersteller: Rudolf Pressler, Cursdorf, Höhe 33 cm. - 2) Vakuumröhre mit Tesla-Vakuum, Höhe 31 cm. - 3 ) Röntgenröhre, Regulator mit Kugel aus Aktivkohle, Hersteller: Rudolf Pressler, Cursdorf, Länge 33 cm. - 4) Crookes-"Railway"-Röhre, Flügelrad mit 6 Blättern und aufgemalten fluoreszierendem Material, Länge 28 cm. - Und: 5) Röntgenröhre, ohne Regenerator, Länge 25 cm.

Start Price: EUR 180

Condition
(2/-)
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5 Physical Demonstration Instruments, c. 1920

Estimate €350 - €500
See Sold Price
Starting Price €180
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Item located in Koeln, de
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