Lamp bulb, incandescent

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Ingenium, 1992.0949.001
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OBJECT TYPE: TUNGSTEN/VACUUM/20W/60V/STRAIGHT/BAYONET
DATE: 1915
ARTIFACT NUMBER: 1992.0949.001

MANUFACTURER: Cosmos
MODEL: Unknown
LOCATION: United Kingdom

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: TUNGSTEN FILAMENT/ GLASS BULB, BUTTON ROD & STEM/ BRASS BASE/ PLATINUM LEADS THROUGH SEAL/ COPPER LEADS/ MOLYBDENUM WIRE FILAMENT SUPPORTS/ FIBER LEADS SEPARATOR

Dimensions

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

Length: 12.9 cm
Width: 5.9 cm
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Lighting Technology
Category: Lamp bulbs
Sub-Category: N/A

Manufacturer

AKA: Cosmos
Country: United Kingdom
State/Province: Unknown
City: Unknown

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: LIGHTING/ GENERAL/ CLEAR
Technical: Unknown
Area Notes: Unknown

Details

Markings: HANDWRITTEN IN BLACK INK ON STEM IS: '18 23 + [J]3'/ FADED STAMP ON BULB, FIRST FOUR LETTER WITH IN A CIRCLE, READS: 'EVMC DRAWN WIRE PATENTED COSMOS BRITISH MADE'/ APPEARENTLY HANDWRITTEN ON BULB IS: '96'/ BLACK STAMP ON BASE IS FADED & READS: '60V 20W [10720]'
Missing: N/A
Finish: CLEAR GLASS BULB, BUTTON ROD & STEM/ BRASS COLOURED SKIRTED BASE/ WHITE LEADS SEPARATOR/ FILAMENT CONSISTS OF FOUR LOOPS WITH SEVEN SUPPORTS
Decoration: N/A

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

Cosmos, Lamp bulb, incandescent, circa 1915, Artifact no. 1992.0949, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1992.0949.001/

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