An Angle Jig
![an-angle-jig angle jig](https://www.innovation-creativity.com/wp-content/uploads/2022/01/an-angle-jig.jpg)
An angle jig for use with electric hand drills. The arms would telescope as the bit entered the work; graduations would indicate the depth drilled.
By R.Knudson, Hanover, N.H.
May 1963
You can purchase a modern-day angle jig from Amazon…