Select mechanical exercises: shewing how to construct different clocks, orreries, and sun-dials, on plain and easy principles

with several miscellaneous articles, and new tables, I. For expeditiously computing the time of any new or full moon within the limits of 6000 years before or after the 18th century. II. For graduating and examining the usual lines on the sector, plain scale, and gunter. Illustrated with copper-plates. To which is prefixed, A short account of the life of the author

Edición de la obra Select mechanical exercises: shewing how to construct different clocks, orreries, and sun-dials, on plain and easy principles