Lamp bulb, incandescent

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Ingenium, 1992.0525.001
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OBJECT TYPE: TANTALUM/VACUUM/STRAIGHT/SCREW
DATE: 1906
ARTIFACT NUMBER: 1992.0525.001

MANUFACTURER: General Electric Co.
MODEL: Unknown
LOCATION: United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: DRAWN WIRE TANTALUM FILAMENT/ CLEAR GLASS BULB & STEM/ METAL (BRASS?) BASE/ FIBER LEADS SEPARATOR/ PAPER STEM INSERT/ COPPER LEADS/ PLATINUM LEADS THROUGH SEAL

Dimensions

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

Length: 12.5 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: General Electric
Country: United States of America
State/Province: Unknown
City: Unknown

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: LIGHTING/ GENERAL/ CLEAR
Technical: TANTALUM LAMP DEVELOPED BY DR. W. VON BOLTON & DR. O. FEVERLEIN OF SIEMENS HALSKE CO/ TANTALUM DUCTILEENOUGH TO BE DRAWN INTO WIRE/ ON AC TANTALUM CRYSTALLISED & BROKE, LONGER LIFE ON DC/ INITIAL EFFICIENCY OF 5LPW, AVERAGE OVER ITS LIFE 4.5 LPW/ T. FIL. HAD LOW SPECIFIC RESISTANCE SO MUSTBE LONGER & THINNER THAN CARBON
Area Notes: Unknown

Details

Markings: PAPER STEM INSERT HAS INFO ON BOTH SIDES WITH IN THE OUTLINE OF A LAMP/ ON FIRST SIDE IS: 'THE MANUFACTURER OF THIS LAMP IS UNDER PATENTS NOTED ON OTHERSIDE'/ ON OTHER SIDE IS: JAN 22 1895 APR 28 1903 NOV 8 1904 APR 10 1906 APR 24 1906 NP 6443'/ HANDWRITTEN IN INK ON STEM ON ONE SIDE IS: 'X'/ ON OTHER SIDE IS: 'X1140 309'/ STAMPED ONTO BULB BUT VERY FADED IS: '1375'
Missing: N/A
Finish: CLEAR GLASS BULB & STEM/ BRASS COLOURED BASE & BASE BUTTON/ BLACK CONTACT RING/ OFF WHITE LEADS SEPARATOR
Decoration: N/A

CITE THIS OBJECT

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

General Electric Co., Lamp bulb, incandescent, circa 1906, Artifact no. 1992.0525, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1992.0525.001/

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