Organon logikon, Kurtzer grundtlicher...Underricht, Zuberaitung und gebrauch, Des Circkels Schregmess und Linial in wahrer proportion

by G. Galgemayr

$9,500 · Offered by Martayan Lan

Rare edition and a fine copy of Galgemayr's very influential text describing the construction & use of two instruments, a proportional compass and a lineal compass for the measurement of volumes and surfaces. The former, closely resembling Galileo's proportional compass, was a popular calculating device used throughout the 17th C...... More

• Binding: Leather

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