Buch 
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 and after the 18th century II. for graduating and examining the usual lines on the sector, plain scale, and gunter ... : to which is prefixed, a short account of the life of the author / by James Ferguson
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LIFE OF THE AUTHOR. xxi

on aprons and gowns. On shewingme some, I undertook the work, anddrew several for her; some of whichwere copied from her patterns, andthe rest I did according to my ownfancy. On this, I was sent for byother ladies in the country, and begunto think myself growing very rich bythe money I got for such drawings;out of which I had the pleasure ofoccasionally supplying the wants ofmy poor father.

Yet all this while I could not leaveoff star-gazing in the nights, and tak-ing the places of the planets amongthe stars by my above-mentionedthread. By this, I could observe howthe planets changed their places a-mong the stars, and delineated theirpaths on the celestial map, which I hadcopied from the above-mentioned ce-lestial globe.

By observing what constellations theEcliptic passed through in that map,and comparing these with the starryb 3 heaven,