792 
ae es $" thick cold rolled . ~-, 
| steel top plate -~-: 
Hates 1” diam. cold rolled 
steel shafting 
4" thick brass carriage 
Electromagnet 
4 1b cold rolled steel wt, 
Nipple for centering weight 
Cold rolled steel weights 
Level for electromagnet 
carriage 
a Copper crushers 
Hardened steel anvil with copper sphere in place 
irass anvil holder : 
60 1b - 12" x 18" x 14" hot rolled steel base plate 
Rubber and sheet lead anvil guards 
6/8" diem. steel reinforcing rod 
225 lb - 15" x 15" x 12" conerete base ss 
Wooden base support 
Fig. VII-l. Copper crusher calibration machine. 
