Sketching Screen
| View Cart ⇗ | Info
The image shows surveying done using a sketching screen, which is valued by beginning surveyors.
Source
J. K. Finch Topographic Maps and Sketch Mapping (New York, NY: John Wiley and Sons, Inc, 1920)
Downloads
2400×1456, 322.2 KiB
1024×621, 60.3 KiB
640×388, 32.5 KiB
320×194, 12.7 KiB