302 
MINUTES OF PROCEEDINGS OF 
Borer. 
Boree. 
In all my experiments witli this fuze I invariably used the old- 
fashioned hook borer, and never found it fail to bore accurately to the 
centre of the powder channel. 
Elevation. 
(f full size.) 
Section. 
(f full size.) 
Elevation oe Time Holes. 
(f full size, into i seconds.) 
