Rigid Graver with Loupe
Detailed Description
Gravers were used in cartographic work by the U.S. Geological Survey Topographic Branch. Graver types include rigid, swivel, building and fine line.
Object ID: USGS-000178
Sources/Usage
Public Domain.
Gravers were used in cartographic work by the U.S. Geological Survey Topographic Branch. Graver types include rigid, swivel, building and fine line.
Object ID: USGS-000178
Public Domain.