mechanical calculator

mechanical calculator is a machine or mathematical instrument.

Also recorded as calculator; calculating machine.

Overview

Catalogue entries for instruments state maker, signature, completeness and working condition. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

mechanical machine for arithmetic operations for absolute calculators

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Mechanical calculator”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q211586: mechanical calculator
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