An explanation of the nature of equation of time, and use of the equation table for adjusting watches and clocks to the motion of the sun. Also the description of a time-keeper, for astronomical and other uses.
London : printed for F. Clay,
1731.
ESTC
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1985. The Eighteenth Century ; reel 1392, no. 10.