Figure j;j. — Interior of Bertoixa's workshop, showing the main workbench and thi 

 lection of clockmakers' tools. {Cow! , q) I/,. Vazionale delta Sciei 



Milan.) 



Figure 24. I 1 -1 1 cutter used by 

 Bertolla. Now in the collection of 

 the Museo Nazionale della Scienza 



e dclla I a nil a. Milan. 



PAPER 35: THE BORGHKSI ASTRONOMIC \l CLOCK 



61 



