Complete Telegraph System
Description
A 3D printable telegraph key and sounder. For more information, go to https://www.instructables.com/id/3D-Printed-Telegraph-Key-Sounder/
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A 3D printable telegraph key and sounder. For more information, go to https://www.instructables.com/id/3D-Printed-Telegraph-Key-Sounder/
Likes
50
Downloads
0