Object Record
Images
Metadata
Catalog Number |
77.49.20 |
Collection |
Tool |
Other Name |
Sector Sizing Wheels And Pinion |
Description |
c 20th century SECTOR Sizing Wheels And Pinion (Compas de proportion -- Der Proportionszirkel) A proportional measuring gauge used for sizing wheels and pinions, determining the size of a mainspring arbor within a barrel or the proper diameter of a coiled main spring within a barrel given the barrel ID and arbor size, or any other number of uses. |
Material |
Brass |
