The whetstone of witte, whiche is the seconde parte of arithmetike: containyng thextraction of rootes: the cossike practise, with the rule of Equation: and the woorkes of surde nombers / [Robert Record].

  • Robert Recorde
Date:
1557

Licence: Public Domain Mark

Credit: The whetstone of witte, whiche is the seconde parte of arithmetike: containyng thextraction of rootes: the cossike practise, with the rule of Equation: and the woorkes of surde nombers / [Robert Record]. Source: Wellcome Collection.

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