Dialling performed instrumentally by our hemisphere in plane : projected and first fitted by Mr. William Oughtred and laid down according to his method formerly published for this very subject : together with twentie one several diagrams or schemes demonstratively shewing the reason and ground-work of all dialling as also how to know, distinguish and set down the hour-lines for both faces of all planes at one working

Author / Creator

Oughtred, William, 1575-1660

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