Fig. 29. Barn No. 3. 80 feet in diameter.
Barn No. 4
Built in 1900.
Diameter, 90 feet.
Capacity, 105 cows, two rows heading together.
Cost, $3000.
Foundation, width at base and top, 18 inches; depth in ground, 20 inches, (not sufficient).
Sills, 2 × 8s, sawed in short lengths, and placed flatwise.
Studding, 20-foot 2 × 8s, placed 3 feet on center and toenailed to sill.
Supports, first story 4 × 4s placed between stanchions in each row, making two rows of supports between the outside wall and the silo; 4 × 4s cut to a circle placed on top of these supports. The outside span, over cows, is 13 feet 6 inches; middle span, over feed alley, 6 feet 8 inches, and inside span, over cows, 13 feet.