American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 42
on of thecurrent. With the present arrangement, andthe slightly sliding motion of the parts as theycome in contact, no difficulty of this sort hasbeen experienced in two years of running. By preference begot of experience and manyexperiments, he changes the reciprocatingmotion of the pendulum into… … minimum of friction, because the train is reallymoved by the dropping of the click by its ownweight, the office of the pendulum being onlyto raise the click while it is without con-nection with the gear. He also attaches to thearbor of the seconds hand of the clock a notchedcam, or break circuit,…
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-165-134.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-139-116.webp)
