, 111
Forms and proportions of several parts of, 111
Names of various parts, 112
Cylinder lips, proper shape of, 124
D
Dead-beat escapement, 131, 135
Only one true, 112
Depth, between cylinder and escape wheel, 129
Effect of changing, 176
Designing a double roller, 77
Detached escapement, 155
Detent, functions of the, 137
Detent escapement, 131, 155
Faults in, 132
Detent spring dimensions, 138
Detent springs, width of, 147
Discharging jewel, setting the, 142
Discharging roller, 136
Dividers, 9
Making, 10
Double pendulum, 160
Double-roller escapement, 75
Draw defined, 85
Drawing-board, 11
Drawing instruments, 9
Drawings, advantage of large, 29
Drop and draw, 150
Duplex escapement, 131, 155
E
Elasticity of spring, 133
Engaging friction, 81
English recoil anchor, 167
Entrance lip of cylinder escapement, 125
Escapement angles, measuring, 101
Escapement error, study of, 64
Escapement matching tool, 106
Escapement model, 40
Balance, 42
Balance staff, 44
Bridges, 41, 42
Escape wheel, 43
Extra balance cock, 45
"Frosting", 46
Hairspring, 42
Jewel for, 43
Lower plate, 41
Main plate, 41
Movement for, 41
Pallet staff, 42
Pillars, 43
Regulator, 46
Uses of, 44
Wood base for, 41
Escapements compared, 103
Escapement of Dutertre, 160
Escape-wheel action, 30
Escape-wheel, delineating an, 11
Escape-wheel teeth vs.
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