Dictionarium polygraphicum: or, The whole body of arts regularly digested ... adorned with proper sculptures, curiously engraven on more than fifty copper plates .. (1735)
Barrow, John, teacher of mathematics · London, C. Hitch and C. Davis [etc.] · leaf 278
And transfer thefe diftances to the arches drawn on the deling;for then ftrait lines drawn through the mark in the arch, andthrough the mark in the equator^ and prolonged both ways toa convenient length, (hall be the fcveral hour lines (aforefaid) andwhen the fun fhines upon the glafs at nodusy its…
Art · Industrial arts
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