Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 460
lume of brass, when heated, bends the bar towards the steelside, as shown at /■, Fig. 1. and when subjected to cold theunequal contraction of the two metals causes the bar to bendin the opposite direction as shown by the dotted lines at E.The one end of this compound bar being fastened to the armgt… … other is free, See Fig. 2. If the balance were made of one1] each in< rcase of heat would cause the arms as well as the rim to become larger and the watch would go slower. Eachrease of temperature would cause tin m to < ontrai I and make the wat< h gain. In a compen ited balance they, also…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
