The ancient Babylonians preferred a Base 60 system, or five twelve’s, a system that we still retain for time-keeping. An hour has 60 minutes, a minute 60 seconds. Mariners and geographers prefer the ...
AFA copy Purchased from the Warren M. Robbins Library Endowment. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001 ...
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