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MENTAL CALCULATION. A REMINISCENCE OF THE LATE MR G.P.BIDDER, PAST PRESIDENT.
POLE, WVolume:
103
Language:
english
Journal:
Minutes of the Proceedings of the Institution of Civil Engineers
DOI:
10.1680/imotp.1891.20559
Date:
January, 1891
File:
PDF, 302 KB
english, 1891