String-driven manual drill.
manual rock drill
Hand drill strap winding tool - video
Tianhu double-battery drill - photo
Colonial Williamsburg gun drill - photo
Antique Cincinnati Bickford radial arm drill press - photo
Portable ceiling drill press - GIF
Beam drill - GIF
Shaft drill - GIF
Good find! I know Clickspring, and I love that Antiykythera Mechanism build. We discussed the original archeological find a while back here.
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