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 453
Fig. 568. thereon the twelve hour numerals, as in Fig. 573 ; the bowl beingfilled with water, the figure of a tortois3 was placed on it and at oncefloated round till it pointed to the time, and then gradually crept to … Fig. 569. the figures in succession as the hours advanced. Underneath therim of the bowl was a magnet of the horseshoe type, which wascaused to revolve once in twelve hours ; the tortoise was of cork andcarried the keeper of the magnet. By the same agency he wasenabled to cause a lizard to ascend a…
Clocks and watches · Clock and watch makers
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
