The Artisan, or, Mechanic's instructor : containing a popular, comprehensive and systematic view of the following sciences ... also biographical notices of eminent scientific men, enriched by portraits : with many interesting and valuable articles relating to the mechanical and useful arts : the whole intended as a companion to the institutes (1825)
Carey, George G · London : Printed for William Cole · leaf 524
which the sun enlightens constitutes the autumnal equinox. the earth, the parallelism of its axis, and The sun now appears to cross the equi- the increase and decrease of the days noctial; and the south pole, which, during and nights, may be well illustrated by a the last six months, was in the… … A circle of wire a b , representing the the wire, to represent a year, the candle plane of the earth’s equator, may be held will illuminate both poles, and every spot parallel to a table, and equal in height on its surface will describe half a circle in with the flame of a candle standing upon the…
