American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 134
he screws theheads were self-measured, and let in flushwith the plate, without a burr, and with suf-ficient bite on the setting to prevent any loose-ness. While the countersinking was beingdone, the settings were prevented from turningby an ingenious system of clamps that enabledthe stops to reach… … If we suppose A to be the outside spindle,running in two standards, 1, 1, and to bedriven by the pulley, B. We have a good ex-ternal view on the end of A ; at G is a framelet on to the end of the mandrel, free to ro-tate, but perfectly solid so far as an end mo-tion is concerned, and thus it…
Clocks and watches
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