Antique Transatlantic Telegraph Cable Fragment Paperweight

Vertical mirror galvanometer made in 1850 circa, oak and glass, three adjustable screws at the base. Tool constituted by a magnet bar movable inside a coil and connected to a needle. In the absence of current the needle is positioned vertically while when the coil is crossed by the current it creates a magnetic field that moves the needle. This type of galvanometer was used for measurement of insulation of telegraph cables...

Brass engine room telegraph with commands “hard left”, “hard right”, “steady”, “course” etc. Telegraph has one face-plate and brass handle. Mount...

Hammerhead style ship engine order telegraph. Highly polished aluminum unit, twin faceplate design with ships commands, astern and ahead copper makers plate. The head of the telegrap...

Japanese ships telegraph. Unit has been stripped of paint and polished. Aluminum head with brass handle. 43 pounds. 40 tall by 8 by 9. Mounted to a wood...

American ships bridge telegraph by Henschel of Amesbury Mass. The solid brass head has two faces with ships commands including ahead, astern, full, half, slow, stop, etc.. Highly pol...

Solid brass ships engine order telegraph. This style has often used on yachts and tugboats. Showing astern and ahead commands showing slow, half and full. Varnished wood handle with ...