Lot Essay
Joseph Knibb's used his 'double-six' striking to preserve the power in the hour spring. With this method the clock strikes the first six hours then reverts to one strike for seven o'clock and strikes six times at twelve o'clock.
Joseph Knibb (b. 1640 - d. 1711), worked in Oxford and from about 1670 in London and retired to Hanslope.
Joseph Knibb (b. 1640 - d. 1711), worked in Oxford and from about 1670 in London and retired to Hanslope.