American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 278
nded alittle at the end, with round-nosed plyers, andthen fastened to its place on the wheel withone screw and a steady pin. The point of the6pring should act at as convenient a distance aspossible from the centre of motion of the click.When it acts too far away from this centre ofmotion there is… … is a line drawn through its centre, and A is aline drawn at right angles to D from the edgeof the ratchet. Now, if the centre of motion ofthe click be placed anywhere on the line A, andif the point of the click be at the place wherethe two lines A and D cross each other, theforce of the ratchet…
Clocks and watches
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