Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 1357
iction and adhesion.. Mudge himself was exceedingly successful with theescapement, but his .son, even with the best workmen hecould secure, was unable to equal the results obtained byhis father, and the elaborate and costly construction of sointricate a piece of mechanism doubtless led to its… … Fig. 2.Wheel and pallets seen from above. The two separate palletswith their hairsprings are shown in the supplementary sketches. It is virtually the gravity escapement as applied to awatch, hairsprings fulfilling the functions which in a clockwould have been left to gravity. The escapement was…
Jewelry · Jewelry trade
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