Lamp bulb, incandescent

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OBJECT TYPE: TUNGSTEN/VACUUM/40W/115V/TUBE/SCREW
DATE: 1945
ARTIFACT NUMBER: 1992.0780.001

MANUFACTURER: HYGRADE LAMP CO.
MODEL: Unknown
LOCATION: Salem, Massachusetts, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: TUNGSTEN FILAMENT/ GLASS BULB & STEM/ METAL (BRASS?) BASE/ NICKEL LEADS/ DUMET LEADS THROUGH SEAL/ MOLYBDENUM WIRE SUPPORTS

Dimensions

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

Length: 30.0 cm
Width: 2.6 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: HYGRADE
Country: United States of America
State/Province: Massachusetts
City: Salem

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: LIGHTING/ SPECIAL/ PICTURE/ SHOWCASE/ LINEAR
Technical: Unknown
Area Notes: Unknown

Details

Markings: STAMPED ONTO END OF BOTH BULBS IN LIGHT BROWN IS: 'HYGRADE 40W 115V' THIS ISDONE IN A CIRCULAR FASHION WITH A TRIANGLE IN CENTER
Missing: N/A
Finish: CLEAR GLASS TUBULAR BULBS/ CLEAR GLASS STEM/ BRASS COLOURED BASES & BASE BUTTONS/ LITTLE SOLDER ON BASE BUTTONS/ FILAMENT IS HELD IN PLACE BY 5 WIRE SUPPORTS WHICH ARE SET IN GLASS BEADS ON A CHANNEL WHICH RUNS THE LENGTH OF & FOLLOWS THE CURVED END OF THE BULB/ HALFWAY DOWN CHANNEL IS A 'U' SHAPED PIECE OF WIRE WHICH CENTERS FILAMENT
Decoration: N/A

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

HYGRADE LAMP CO., Lamp bulb, incandescent, circa 1945, Artifact no. 1992.0780, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1992.0780.001/

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