Skip header and navigation

Revise Search

2 records – page 1 of 1.

Material
glass
Manufacturer
Hemingray
Accession Number
978.42.8-10
Description
Insulators are made out of green glass, and used for telephones. One has a broken bottom. Brand name "Hemingray". Used for electrical insulation of telegraphs, controlling electrical current due to their high resistivity.
Quantity
1
Description
Insulators are made out of green glass, and used for telephones. One has a broken bottom. Brand name "Hemingray". Used for electrical insulation of telegraphs, controlling electrical current due to their high resistivity.
Physical Condition
fair
Material
glass
Condition Remarks
Broken parts
Width
8.8
Length
9.8
Accession Number
978.42.8-10
Category
Telecommunication T&E
Location
Bay 1 Shelf 2 Box 2 (10) Settling the Valley, Cabinet 2 Drawer 3 (8-9)
Place of Manufacture
U.S.A.
Manufacturer
Hemingray
Manufacturer Country
U.S.A.
GMD
Telecommunication Accessories
Object Type
Insulator, Telegraph Wire
Material
glass & wood
Manufacturer
Hemingray-20
Accession Number
975.39.a-b
Description
Insulator is made of green glass. It is attached to wooden holder. Wooden holder, threaded for insulator, 12" long.
GMD
Telecommunication Accessories
Object Type
Insulator, Telegraph Wire
Quantity
1
Description
Insulator is made of green glass. It is attached to wooden holder. Wooden holder, threaded for insulator, 12" long.
Physical Condition
fair
Material
glass & wood
Condition Remarks
Some broken parts.
Width
9.8 cm
Length
31 cm
Accession Number
975.39.a-b
Category
Telecommunication T&E
Location
Bay 1 Shelf 2 Box 2
Place of Manufacture
U.S.A.
Manufacturer
Hemingray-20
Manufacturer Country
U.S.A.