Monroe Surveying Calculator

[Don DiGalbo]

Looking for manuals (copies or original) for the Monroe 1765 Surveying Calculator (or the equivalent Compucorp 155 Surveying Calculator).

Thank you!

Don

[h100s...@sonic.net]

I find it curious that the Litton-Monroe calculators themselves are more plentiful than the user and technical manuals. Sadly, it seems most of them were separated from their original equipment over the decades.

 

Don Resor

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