A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 36
ost simple way ofcalculating the numbers proper for the movementof any clock, intended to show seconds, is, bydividing it into three portions, and then by cal-culating the wheels and pinions for each separate In fig. 2, the pinion D. is supported by a se- portion, by a separate calculation,… … y><7 3
Encyclopedias and dictionaries · Aeronautics
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