From: Martin Wagener
Email: mwagener@gmx.de
I am interessted in literature (also exchange of copies) and machines which have been used for geodetical calculations like Thales Geo, Triumphator Double, Odhner 35 and 135, Britannic Double and Brunsviga Double models and Brunsviga 183 (tripple). I would be thankfull for any contact!
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