Chart Dividers
Detailed Description
Description: Also known as a measuring compass or proportional divider, chart dividers are used in cartography (map making), as well as nautical navigation. In map making this divider is used to change the scale from one map to another. Manufactured by Bowen & Company, Inc. Serial # 310R and marked with USGS property number "G-154". Object ID: USGS-000400
Sources/Usage
Public Domain.