s. of wonderful clocks, consisting usually of a mere plate of In turn, it causes motion of the axis, N, which (through the Instead of there being a train uniting them, each hand has glass on which two hands, apparently destitute of any pinion, Q, of the wheel, P, the pinion of the wheel, R, and its… … however, was concealed a cause of the scarcity of watch train, which once stone coal, although brown ROBERT'S MYSTERIOUS CLOCKS. in twelvehourscaused the coal is abundant in Greece. revolution of a little pla- The writer suggests that German iron makers could pur- in 12 hours, the other in 1 hour.…
Patents · Illustrated · Torpedo · Improved · Iron · Scientific American · Steel · Free electricity · Address munn · Blue glass · Upper edge · Tartaric acid · Trade catalogs · Artificial butter · Naked eye · York city
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten04unit-112-0.webp)
