The circles of proportion and the horizontal instrument The former shewing the maner how to work proportions both simple and compound: and the ready ... both in arithmetic, geometrie (1633) by William Forster

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The circles of proportion and the horizontal instrument The former shewing the maner how to work proportions both simple and compound: and the ready ... both in arithmetic, geometrie (1633)

William Forster - The circles of proportion and the horizontal instrument The former shewing the maner how to work proportions both simple and compound: and the ready ... both in arithmetic, geometrie (1633)
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