Tube, Geissler

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Ingenium, 1995.1298.004
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OBJECT TYPE: FLUORESCENCE
DATE: 1856
ARTIFACT NUMBER: 1995.1298.004

MANUFACTURER: Dunscombe, M.W.
MODEL: Unknown
LOCATION: Bristol, England

More Information

General Information

Serial #: N/A
Part Number: 4
Total Parts: 15
AKA: N/A
Patents: N/A
General Description: GLASS & METAL/ GASES

Dimensions

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

Length: 15.1 cm
Width: 2.3 cm
Height: N/A
Thickness: 2.2 cm
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Dunscombe
Country: England
State/Province: Unknown
City: Bristol

Context

Country: Worldwide
State/Province: Ontario
Period: LAST HALF OF 19TH CENTURY
Canada: GEISSLER & CROOKES TUBES WERE STANDARD EQUIPMENT IN PUBLIC & UNIVERSITYELECTRICAL DEMONSTRATIONS IN LAST HALF OF 19TH CENTURY IN CANADA & ELSEWHERE.
Function: SET OF EVACUATED GLASS TUBES FILLED WITH CONDUCTING GASES & WITH EMBEDDED ELECTRODES, SO THAT TUBES GLOW WHEN ELECTRIC CURRENT IS PASSED THROUGH THEM, USED TO DEMONSTRATE PHENOMENON OF FLUORESCENCE.
Technical: EXAMPLE OF EQUIPMENT USED TO ILLUSTRATE PROPERTIES OF CERTAIN GASES IN RELATION TO ELECTRICITY, ESP. FLUORESCENCE. WORK WITH GEISSLER TUBES LED TO DISCOVERY OF CATHODE RAYS; WILLIAM CROOKES INVESTIGATED HOW THEY WERE AFFECTED BY MAGNETIC FIELDS, WHICH EVENTUALLY LED TO TECHNOLOGY OF CATHODE RAY TUBES USED IN TELEVISIONS.
Area Notes: Unknown

Details

Markings: NONE
Missing: N/A
Finish: COLOURLESS & TRANSPARENT GLASS TUBES
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

Dunscombe, M.W., Tube, Geissler, after 1856, Artifact no. 1995.1298, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/1995.1298.004/

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