mecury lamp
Date1910-1940
Inventory NumberVT1946
ClassificationLamp
Subject
Maker
General Electric Company
1892-present
Cultural Region
Place of Origin
Dimensions11.8 × 7 × 7 cm (4 5/8 × 2 3/4 × 2 3/4 in.)
Material
DescriptionA mercury-vapor light, or HG lamp (similar in appearance to item RS1453). Has a pear-shaped, long-necked, clear glass bulb with a standard Edison-style brass screw mount. Inside, the bulb has a glass base, with two leads proceeding from it. The leads are connected at the top by a coiled-spring type filament, shaped into a point, which points toward the top of the bulb.
There are particles of mercury inside the bulb, adhering to the leads, and a small pool of liquid mercury. Bulb has discoloration.
There are particles of mercury inside the bulb, adhering to the leads, and a small pool of liquid mercury. Bulb has discoloration.
Signedlogo on top of bulb: General Electric
Inscribed(1) printed on bulb: GE (the Edison logo); (2) printed on bulb: Type S1
FunctionElectric lighting. Has a starter filament.
Sylvania
Date: late 19th-early 20th Century
Object number: RS0368
Thomson-Houston Electric Company
Date: late 19th-early 20th Century
Object number: 1997-1-0767
Sylvania
Date: late 19th-early 20th Century
Accessories: brown cardboard box, with handwritten note, "345 on 35"
Object number: RS0369
C. S. Knowles Company
Date: early 20th Century
Object number: 1998-1-0495
George Washington Pierce
Date: circa 1921
Object number: 1997-1-0376
Distillation Products Industries
Date: circa 1940
Object number: 1998-1-0034
Edison Manufacturing Company
Date: late 19th-early 20th Century
Object number: RS0370
Zeiss-Aerotopograph
Date: circa 1950
Accessories: in wooden storage case with metal handles; documentation booklet is now kept in the instrument's file; all other accessories are kept in the box and are included in the description.
Object number: 2009-1-0002b