A glass telephone wire insulator, with screw groves inside where you can screw the wood peg into. there are markings on the side that read "DOMINION - 16" as well as the number "48" inside near the top.
A glass telephone wire insulator, with screw groves inside where you can screw the wood peg into. there are markings on the side that read "DOMINION - 16" as well as the number "48" inside near the top.
A dark brown wooden peg shaped as a wedge with two holes on the large flat side of the peg. the top tapers to a screw shape. The screw is used to screw into the glass insulator.
A dark brown wooden peg shaped as a wedge with two holes on the large flat side of the peg. the top tapers to a screw shape. The screw is used to screw into the glass insulator.
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.
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.