16 BULLETIN 718, U. S. DEPARTMENT OF AGRICULTURE. 
TWO-SAW TRIMMER. 
No. 1 machine, for boards from 6 to 16 feet, weight 2,650 pounds .$280 
No. 2 machine, for boards from 6 to 18 feet, weight 2,750 pounds 300 
No. 3 machine, for boards from 8 to 20 feet, weight 2,850 pounds 320 
No. 4 machine, for boards from 8 to 24 feet, weight 3,110 pounds 340 
CUT-OFF SAW. 
Timbers in main frame 3? by 3* inches. 
Timbers in table frame 2 by 4 inches. 
Mandrel (steel) Its inches for saw with 1| inch hole. 
Mandrel pulley 4 by 4 inches. 
Size of saw, 20 inches. (Any size can be used from 18 to 24 inches.) 
Floor space 4 by 10 feet. 
Shipping weight, 430 pounds. Price f. o. b. Chicago, $70. Iron parts 
only, no saw. Discount 22 per -cent. 
LATH MILL AND BOLTER, 
Frame, 8 feet long, 37 inches wide, and 27 inches high. 
Lath, saw, 10 inches ; bolter saws, 22 inches. 
Driving pulley on each mandrel, 8 by 8 inches. 
Speed of lath saws, 2,700 ; bolter, 1,400. 
Weight of combined machine, 1.050 pounds. 
Complete with 3 lath saws and bolting saw, $200. Discount 22 per cent, 
f. o. b. Chicago. 
GANG LATH MACHINE. 
3 saws $130 
4 saws ! 134 
5 saws___ 13S 
6 saws . 142 
20 per cent discount f. o. b. Chicago. 
Frame, 37 inches long, 37 inches wide, and 27 inches high. 
Lath saws, 10 inches. 
Driving pulley on mandrel, 8 by 8 inches. 
Speed of saws, 2.700 r. p. m. 
Weight, 675 pounds, net. 
SHINGLE MACHINE. 
Cuts 16 to 18 inch shingles with 36-inch saw, $160; 20 per cent discount, 
f. o. b. Chicago. 
SHINGLE BUNCHER .OR PACKER. 
Size of bunch, 20 inches wide. 30 inches long. 
Price, $10. Weight, SO pounds. 
Discount, 20 per cent f. o. b. Chicago. 
ENGINES AND BOILERS. 
TYPES AND CAPACITIES. 
The usual specifications for a 15-horsepower engine and boiler 
suitable for a class A mill are — 
Size of cylinder, 8 by 10 inches. 
Revolutions per minute, 100. 
