Cross-Beat Escapement (or Double Balance Escapement) скачать в хорошем качестве

Cross-Beat Escapement (or Double Balance Escapement)

This 16th-century escapement was an early attempt to improve on the verge. The friction caused by the necessity of coupling the two pallet staffs by gearing or cranks must reduce the performance relative to the verge. TermWiki A more accurate verge escapement having two springy balance arms swinging across each other on nearly the same centre. Invented by Jobst BURGI about 1586, but only 'rediscovered' in 1953 (by Dr H. von Bertele). Also called a 'double balance'. Oldandsold.com He is also known for his invention of the remontoire. Remontoire come in a wide variety of mechanical styles, and complexity. They can generally be divided into two categories. The first, and earlier type is the gravity style. The second is spring style. http://www.my-time-machines.net/remon...