CHAP. II. J 



MUSICAL INSTRUMENTS. 



129 



new arrangement is due to M. Collin. The following is a description 

 of it, by M. G. Sire, director of clock-making at Besan9on : 



"The principal points of this new system of carillon are the fol- 

 lowing : First, a special wheel work is used for each bell proportioned 

 to its weight; secondly, the 'unclamping of the machinery which is 

 used to raise the "hammers, of which there are four to each bell. 



FIG. 8;>. Old arrangement for chimes. 



These fix themselves one after the other on a catch which holds them 

 back, and from which the finger or pin of the cylinder with a very 

 slight effort unclamps them and makes them strike the bell, on which 

 they fall instantaneously and produce the note so sharply that one is 

 able to play if necessary double and even triple quavers, which, how- 

 ever, is not required with bells ; and at the moment when the firjger 



K 



