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    Cannon pinion loose on centre-wheel arbor

    The image below shows the appearance of typical 19th-century English cannon-pinions: (left) small English-lever movement by John Wycherley, Prescot, Lancashire, c. 1870; (right) rack-lever movement signed William Broad, London, c. 1815. Still earlier examples differ (usually) in that the...
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    Cannon pinion loose on centre-wheel arbor

    Thank you both for these suggestions. My watches are British fusee pocket-watches from between about 1760 and 1860. In my admittedly limited experience, the steel used in both pinions and arbors is brittle and not at all pliant, so that any attempt at either squeezing or bending would be likely...
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    Cannon pinion loose on centre-wheel arbor

    Is there any way of dealing with the situation where a cannon pinion is no longer a tight fit on the centre-wheel arbor, so that (for example) the minute-hand can be moved by one's finger? The problem with this, of course, is that the reduced frictional adherence between the pinion and the arbor...
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    Removing wheels from arbors

    My question relates to a 19th-century English pocket-watch; however, the problem I have to describe could equally occur in an American or Swiss item, and so I felt it best to post my question here rather than in the 'European and other' forum which is my usual haunt. I have a rack-lever...
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    What's Your Most Sickening "Self-Inflicted Wound" (on a watch)?

    'I could a tale unfold . . .' At least Les was the victim, rather than the perpetrator, of a genuine accident. Shall I tell, then, of the 200-year-old verge balance-staff which I actually broke in the attempt to straighten a crooked pivot? (I supposed - I am a little wiser now - that the steel...

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