American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 254
ly adaptedfor watch work, and another device has beenadopted that combines extreme accuracy withrapidity of action. The instrument made iscalled a micrometer, and wo feel that we cando no better service to our readers than togive a diagram, together with Moritz Gross-mans description: AMERICAN… … the point c. For multiplying the movementof this lever, in order to make it more per-ceptible to the eye, the lever h carries a rackdy fixed on it concentric to the point c. Thisrack gears into a pinion c?, on the arbor ofwhich is mounted the small rack e ; this latterdrives the centre-pinion,…
Clocks and watches
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