Traité de l'horlogerie, méchanique et pratique : approuvé par l'Academie royale des sciences
Antoine Thiout's two-volume treatise on clock- and watchmaking, published in Paris in 1741 with plates engraved by Guillaume d'Heulland, addressed to working horologists and the Académie royale des sciences. The 130 copperplate engravings show lathes, gear-cutting engines, escapements, screw presses and hand tools in fine-line elevation and section, with lettered keys and parts laid out separately against blank grounds.





























































































































