Jena, Johann Werther, 1674.
Q.D.B.V. Pendulum de Tetracty deductum.
Rare first and sole edition of this university thesis on the pendulum published just a year after Huygens' Horologium Oscillatorium, and mentioned by the author. Most of the thesis is devoted to medical applications (heart rate, etc.).
Price: $2,850.00
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