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Description

Plans to build a Cable Compass. This tool is used to layout spirals. As you turn the handle it rotates an arm with a sliding pencil point attached - the pencil point moves inward as the cable wraps around a sleeve drawing a perfect spiral. Sleeves of different diameters will determine the pitch of the spiral.
 
  • Wood and metal construction.
  • Built with commonly available materials.
  • Machining of parts is required.

This is an original 1 page magazine article from 1941.
Page measures 6 ½” x 9”
We do not photocopy these.
 
Article Includes
  • Measured Drawings and Diagrams
  • Instructions

Payment

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