Old clocks and watches & their makers, being an historical and descriptive account of the different styles of clocks and watches of the past, in England and abroad, to which is added a list of ten thousand makers (1904)
Britten, F. J. (Frederick James), 1843-1913 · London, B. T. Batsford · leaf 22
different; still the approximate equation would bepractically sufficient for all but scientific purposes. The art of dialling is somewhat complex. A glance at the figurebelow will show why, except for places on the equator, the hourspaces are not all equal. A sun-dial may be regarded as a… … Fig. 3. spot where the dial is situated, D the corresponding latitude, P Pthe poles, and E the centre of the earth. A dial prepared for any particular place is useless for anotherplace in a different latitude, with the exception that a hoiizontaldial for a certain latitude will be a vertical dial…
Clocks and watches · Clock and watch makers
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
