ty 
Fig. 133.—The Campbell Mixer, 
Steam Driven. 
Fig. 134.—The 
Campbell Mixer, Horse-power Driven. 
SIZE. 
No. 1. 
No. 3. 
Weight on steel skids....... 
Weight on wheels........... 
Weight of engine and boiler. 
Capacity per batch...... 
Batches per hour ....... 
Power required... ...... 
Diameter of mixing pan. 
. 
..| 3,000 pounds 
..| 4,000 pounds 
..| 1,400 pounds 
14 yard 
ie 30 
..| 8 horse-power 
6 feet 6 inches 
4,000 pounds 
6,000 pounds 
1,700 pounds 
+o yard 
30 
4 horse-power 
9 feet 
5,000 pounds 
2,700 pounds 
1 yard 
25 
6 horse-power 
11 feet. 
