semi-minor

Updated: May 21, 2025

In either instrument, the semi-major axis C X is equal to S R, and the semi-minor axis to S P. The two sections of shafting, A and B, have each a flange or collar forged or keyed upon them; and in each flange is planed a transverse groove.

Various - Scientific American Supplement, No. 470, January 3, 1885