A fine and rare 18th century English example.
Brass body retaining the top rail (often missing) with nicely shaped steel handle, the ratchet and spring mounted on a circular plate. 14 cmm overall length.
The early Lancashire pattern as shown in the trade card by Thompson (circa 1745), and in the subsequent catalogues issued by Wyke & Green, Stubbs, etc - see Crom, Horological Shop Tools.
Steel pawl for holding the outer end of the spring during winding partly broken, otherwise complete.
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