. Rules and practice for adjusting watches . improve the appearance ofthe balance. As a demonstration of this pointthe correction made in regard to Fig. 3 is balance had twelve screw holes in each rim,with the space between the first and second holesfrom the arms equal to double the space betweenany other two holes. There were seven screws ineach rim, equally divided as per cut Fig. 5, whichindicates screws in the first, second, fourth, sixth,eighth, tenth and twelfth holes. A correction of therate could have been q 3 ** 6 s obtained by shifting \* n ft t - the screws in either th
. Rules and practice for adjusting watches . improve the appearance ofthe balance. As a demonstration of this pointthe correction made in regard to Fig. 3 is balance had twelve screw holes in each rim,with the space between the first and second holesfrom the arms equal to double the space betweenany other two holes. There were seven screws ineach rim, equally divided as per cut Fig. 5, whichindicates screws in the first, second, fourth, sixth,eighth, tenth and twelfth holes. A correction of therate could have been q 3 ** 6 s obtained by shifting \* n ft t - the screws in either the _ ^sixth or eighth holesforward three those in either thefirst or second holescould have been shiftedto the ninth holes andthose in the fourth holesmight have been shiftedto the ninth holes with ig* good results possible in either instance. Moving one pair of screws under any circum-stances however would have caused a massing ofthree pairs of screws at some point and a vacantspace of three holes at another point which would (19). %
Size: 1774px × 1409px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookidrulespractic, bookyear1920
