Answers to January 2010 Mystery Tools

What-Is-It?

The patent drawing for this automobile jack (patented by Joseph J. Kelleher, Waterloo, Iowa, Feb. 23, 1915) clearly shows the intended function
C. The patent drawing for this automobile jack (patented by Joseph J. Kelleher, Waterloo, Iowa, Feb. 23, 1915) clearly shows the intended function.
Patent 1,129,494