“You can’t make me do nothing, you can’t,” said

time: 2023-12-02 13:05:03laiyuan:toutiaovits: 58

A method of preventing in a great measure friction of water against the hull of a ship and incidentally preventing fouling by barnacles.

“You can’t make me do nothing, you can’t,” said

A telephone receiver whereby the vibrations of the diaphragm are considerably amplified.

“You can’t make me do nothing, you can’t,” said

Two methods of "space" telegraphy at sea.

“You can’t make me do nothing, you can’t,” said

An improved and extended string telephone.

Devices and method of talking through water for considerable distances.

Sound-bridge for measuring resistance of tubes and other materials for conveying sound.

A method of testing a magnet to ascertain the existence of flaws in the iron or steel composing the same.

Method of distilling liquids by incandescent conductor immersed in the liquid.

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