A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 100
the action of a toothedwheel on an endless screw. 209. Besides its usual application to the purpose of producinga high degree of compression, as in the cider-mill, the commonprinting-press, and a variety of similarly acting machines, thescrew is likewise employed to measure extremely minute… … By what two expedients might this increase be effected ? What practical difficulties prevent the unlimited augmentation of thepower of the screw ? What is the construction of Hunters differential screw ? Through what extent does a single turn of this screw move the platen,of the press ? In what…
Physics
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