5 Geissler and Holtz Tube Demonstration Models

Electro-Magnetic Motor with Rotating Geissler Tube, c. 1915 Physical demonstration model, height 9 7/8 in., tube length 10 1/5 in., good condition, untested. Elektromagnetischer Motor mit rotieren

Large Electro-Magnetic Motor with Rotating Geissler Tube, c. 1910 Physical demonstration model, height 18 ¼ in., for tubes of up to 15 3/4 in. length, brass and steel, on walnut base, later tube, ve

Electro-Magnetic Motor with Rotating Geissler Tube, c. 1890 Physical demonstration model, two electro-magnets, on wood pillar, with wood and brass holder and original Geissler tube, for creating a daz

Electromagnetic Motor with Geissler Tube, c. 1900 Physical demonstration model, for tubes up to 6 in., overall height 8 in. Elektromagnetischer Motor mit Geißler'scher Röhre, um 1900 Physikalisches

Electric Motor with 10 Geissler Tubes, c. 1910 Physical demonstration model with rotating Geissler tubes, on brass pillar and walnut base, height 7 ½ in., with 10 tubes of various shapes and colors.

Group of Vacuum Tubes, c. 1915 Physical demonstration models. 1) Geissler tube lighting up by friction, length 19 1/3 in. – And: 2) 10 various Geissler tubes, 2 of them liquid-filled, some uranium

2 Physical Demonstration Models with 9 Geissler Tubes, c. 1910 1) Stand with turning star and 3 tubes with uranium spirals. – And: 2) Isolated stand with 6 tubes of different shape and color, 2 of t

Group of Scientific Instruments Physical demonstration models and others: 5 various Crookes cathode ray tubes, 1 x-ray tube (defective), 15 glass valves, 4 stands, 3 Leyden jars, 2 glass tubes with me

5 Typewriter Demonstration Models 1) Olympia, electric, partial cutaway model, with motor, carriage and parts of the mechanism. - 2) Adler, working model with 5 keys, tabulator and keys for the carria

Complete Music System, c. 1930 Consisting of: 1) Philips. 5-tube receiver, model 2511, LW + MW, mains-operated, complete with all components. - 2) Philips. Loudspeaker, model 2007, bakelite, Ø 1

Complete Music System, c. 1930 Consisting of: 1) Philips. 5-tube receiver, model 2511, LW + MW, mains-operated, complete with all components. - 2) Philips. Loudspeaker, model 2007, bakelite, Ø 17 ¾

USA, 1980s plastic, metal 12.25” x 4” base 46.5” tube length Model NE-200 neon light by Neon Strokes in purple with adjustable tilt hardware, and versatile mounting base. Light opera

4 Demonstration Models and 5 Typewriters 1) "Remington Travel-Riter De Luxe", c. 1958, the actual typewriter shown on the etching (1983) by writer and Nobel prize winner Günter Grass about the po

Has broadband, shortwave, and aircraft bands. Measures approximately 13 1/2 inches wide, 9 inches deep, and 17 inches tall.

Measures approximately 15 inches wide, 8 inches deep, and 18 inches tall.

Measures approximately 25 3/4 inches wide, 7 1/2 inches deep, and 8 1/2 inches tall.

Atwater Kent Model 20, 5 tube radio with cygnet style speaker.

LARGE COLONIAL, MODEL 1302. 5 TUBE GRANDFATHER CLOCK, 3 WEIGHT, WITH PENDULUM. ALL CLOCKS ARE SOLD AS IS WE DO NOT GUARANTEE WORKING ORDER.

1933 General Electric Cathedral model K-50-P. 5 tubes, good condition. RCA Cathedral model 110, 5 tubes, good condition.

Case measures approximately 19 3/4 inches wide, 5 1/2 inches deep, and 6 inches tall.

Static Charge Demonstration Model Nickeled brass tube on isolating glass rod, with 6 elder-marrow balls on strings, height 14 ½ in. Modell zur Demonstration statischer Ladungen Vernickelte Messingrö

Model Number: 8X541. 5 tube design broadcast table radio with black modern plastic chassis. Serial No. B135659. Circa 1948. Dimensions: 10.75 " W x 7.00 " H x 5

Grouping of (2) unusual and very high quality early radios by Stewart Warner. The smaller is a model 300, a 5-tube set (apparently complete) with early Eveready battery, steel fascia and sides with wo

BLUE GENERAL TELEVISION AND RADIO CORP MODEL 5A5 TUBE RADIO MEASURES 5 X 8.5 X 6