Fritts, Charles Edgar. [from old catalog] · Philadelphia, The Keystone · leaf 87
circle, shown in Fig. 8, at de, the hand will be too slow at 15seconds and too fast at the 45 mark. In the same way, if thepivot stands to the left of the center, as in Fig. 9, so that thepoint of the hand is moved one second to the right of the ver-tical to make it point to the 60 at the end of…
Clocks and watches
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-209-102.webp)
