348 
able at nearby beds, but where lime and coal were expensive. 
His estimate is as follows: 
A more detailed estimate of the cost of manufacturing 40,000 
bricks per day is given by Peppel *° as follows: 
COX, REIBLING, AND REYES. 
Item. Dollars. 
Lime, 1.5 tons, at 8 dollars, 12.00 
Coal, 1.5 tons, at 4.25 dollars, 6.38 
Labor, 6 men, 8.75 
Superintendent and office expenses 10.00 
Repairs, supplies, etc. 2.00 
Interest, depreciation, ete. 6.00 
Cost per 10,000 bricks 45.13 
Cost per thousand 4.51 
Equipment. 
Item. Dollars. 
Land and buildings 15,000 
1 wet-pan 1,000 
1 ball-mill 500 
2 presses 4,400 
2 pug-mills 800 
Conveyors 6,000 
Shafting and belting 3,000 
1 100-horsepower Corliss engine 2,500 
2 100-horsepower boilers 2,000 
1 25-horsepower boiler 300 
4 hardening-cylinders, 7 by 60 feet, 8,000 
Erecting and insulating cylinders 1,000 
Pipes for preliminary heating 1,000 
Railroad tracks, ete. 4,500 
Total 50,000 
Cost of manufacture, 40,000 bricks. 
Item. Dollars. 
Sand, 157 cubic yards, at .07 dollar, 11.00 
Lime, 11 tons, at 4 dollars, 44.00 
Coal, 3 tons, at 2.25 dollars, 6.75 
Repairs 5.00 
Oil and grease 3.00 
Labor, 40 men, at 1.35 dollars, 54.00 
Trans. Am. Ceramic Soc. (1902), 4. 
