Telegraph set apparatus is set on wood , Heavy Duty polyethylence wire accompanies the set, also there is instruction booklet. Brand name:
"Signal Electric". Early communication device that allowed for quick communication over long land distances.
Telegraph set apparatus is set on wood , Heavy Duty polyethylence wire accompanies the set, also there is instruction booklet. Brand name:
"Signal Electric". Early communication device that allowed for quick communication over long land distances.
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.