PD12M

Drawing of a machine with a cylinder and gears

The image shows a drawing of a machine with a cylinder and gears, which is believed to be a telegraph key.

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The image shows a drawing of a machine with a cylinder and gears, which is believed to be a telegraph key. The cylinder is connected to a motor, and the gears are arranged in a circular pattern around the cylinder. The text accompanying the drawing provides further information about the machine, such as its purpose and how it works.

Credit: The image shows a drawing of a machine with a cylinder and gears, which is believed to be a telegraph key. The cylinder is connected to a motor, and the gears are arranged in a circular pattern around the cylinder. The text accompanying the drawing provides further information about the machine, such as its purpose and how it works. · Wikimedia Commons · https://huggingface.co/datasets/Spawning/PD12M · https://creativecommons.org/publicdomain/mark/1.0/
License: https://creativecommons.org/publicdomain/mark/1.0/

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