mechanical calculator (Q211586)
mechanical machine for arithmetic operations for absolute calculators
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other details
aliases calculator
 calculating machine
description mechanical machine for arithmetic operations for absolute calculators

External Links
(P227) 4177167-9
(P646) /m/025bqv
(P1036) 510.284
681.145
(P2924) 3475416
2379621
(P6366) 2778288144
(P8408) CalculatingMachine
(P11514) vychislitel-naia-mashina-228add
(P12596) 6227