Small Brass Wheel Cutting Engine, Switzerland, 19th century, for cutting crown wheels in verge escapement watches, with gear-driven index plate with nine divisions numbered 7, 9, 11, 13, 15, 17, and 19, shaped steel indexing arm, and long vice mount, overall ht. 8 1/2, overall lg. 7 3/4, indexing wheel dia. 3 1/2 in. Note: Crom #2 goes into detail about this engine specifically, on p. 351, figures 716-718.
Small Brass Wheel Cutting Engine, Switzerland, 19th century, for cutting crown wheels in verge escapement watches, with gear-driven index plate with nine divisions numbered 7, 9, 11, 13, 15, 17, and 19, shaped steel indexing arm, and long vice mount, overall ht. 8 1/2, overall lg. 7 3/4, indexing wheel dia. 3 1/2 in. Note: Crom #2 goes into detail about this engine specifically, on p. 351, figures 716-718.
Testen Sie LotSearch und seine Premium-Features 7 Tage - ohne Kosten!
Lassen Sie sich automatisch über neue Objekte in kommenden Auktionen benachrichtigen.
Suchauftrag anlegen
.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
