Tube, Geissler

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Ingenium, 1999.0083.006
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OBJECT TYPE: N/A
DATE: 1920–1950
ARTIFACT NUMBER: 1999.0083.006

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 6
Total Parts: 6
AKA: N/A
Patents: N/A
General Description: LIQUID FILLED GLASS TUBE WITH METAL PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 21.2 cm
Width: 1.6 cm
Height: 2.1 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Physics
Category: Demonstration & teaching equipment
Sub-Category: N/A

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: Unknown
Canada: Originally the property of Canadian geophysicist Dr. David Arnold Keys (1890-1977). According to his son, some of this equipment was used by Dr. Keys in demonstrations to school children to stimulate their interest in science. Other pieces date from his time at German physicist Wilhelm Roentgen's lab in Munich, and from McGill university & AECL. Dr. Keys worked with Roentgen in Munich in 1911 before earning a PhD at Cambridge; he was professor of physics at McGill 1921-1947; he was vice president for atomic energy project at NRC's Chalk River labs from 1947 to 1955; and was an AECL consultant until the 1970s.
Function: Gas-filled, dual-electrode discharge tube that glows when electric current is passed through gas.
Technical: Early demonstration device related to neon advertising tubes, invented by Geisler, glassblower at University of Bonn in second half of 19th century. Some of this group of tubes are filled with gas & surrounded by various liquids to enhance effect.
Area Notes: Unknown

Details

Markings: NONE
Missing: From CA of 12/05/2001 by Matthew Bruce: No - appears complete - 6 distinct units
Finish: .1 COLOURLESS TRANSPARENT GLASS, BLACK PAINTED BASE, BLACK METAL, YELLOW FLUID/.2 COLOURLESS TRANSPARENT GLASS, BLACK METAL, ORANGE FLUID/.3-.4 COLOURLESS TRANSPARENT GLASS WITH YELLOW SECTIONS, BLACK METAL/.5 COLOURLESS TRANSPARENT GLASS WITH RED, YELLOW & BLUE SECTIONS, BLACK METAL/.6 COLOURLESS TRANSPARENT GLASS WITH PINK FLUID
Decoration: N/A

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Unknown Manufacturer, Tube, Geissler, 1920–1950, Artifact no. 1999.0083, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1999.0083.006/

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