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 AT SEAL/ COPPER LEADS/ HEAVY COPPER 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

19.0 cm

Width

9.5 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

MEASURING/ HORIZONTAL SECONDARY STANDARD

Technical

Unknown

Area Notes

Unknown

Details

Markings

HANDWRITTEN IN BLACK INK ON STEM IS: 'C 847 [3]0 881'/ BLACK ON YELLOW PAPER STEM INSERT HAS OUTLINE OFLAMP ON IT, ONE SIDE IS OBSCURED, READS'THE MANUFACTURER OF THIS LAMP IS LICENSED UNDER PATENTS NOTED ON OTHER SIDE', IN RED OVER THIS IS: '[?] GE [?]'/ RECTANGULAR BLACK ON WHITE PAPER STICKER ON BULB READS: 'ELECTRICAL TESTING LABORATORIES STANDARD LAMP #4117'/ STAMPED (ETCHED?) ONTO BULB IS: 'EDISON MAZDA'/ STAMPED INTO BASE SKIRT IS: '-PAT. NOV 8. 1904 NOV.22.1904-'

Missing

N/A

Finish

CLEAR GLASS BULB, BUTTON ROD & STEM/ BRASS COLOURED SKIRTED BASE/ BLACK RING BELOW SKIRT/ VENT HOLE IN UNDERSIDE OF SKIRT/ BLACK CONTACT RING/ WHITE LEADS SEPARATOR/ FIVE LOOP FILAMENT WITH NINE SUPPORTS/ FILAMENT SUPPORTS OF HEAVY COPPER/ RECTANGULAR PAPER STICKER ON BULB/ OVAL BLACK ON YELLOW OVAL PAPER STEM INSERT

Decoration

N/A