[maple_leaf_eh]

Originally Posted by cletrac

Here's a plane table from the manual of map reading 1939. They talk like these are the tools you need when map reading etc. What's the thing that I didn't label?

Less about map reading as topographic surveying. The surveyor draws everything he sees and plots it on the large paper sheet. It is rudimentary compared to modern survey equipment, but it is what they had and used for many decades.