KILLING AND CUTTING STOCK
| Product | No. 1 | No. 2 | No. 3 | No. 4 | ||||
|---|---|---|---|---|---|---|---|---|
| Weight raw product | 41,572 | lbs. | 41,236 | lbs. | 48,491 | lbs. | 41,322 | lbs. |
| Under pressure | 12¹⁄₄ | hrs. | 11 | hrs. | 11 | hrs. | 11 | hrs. |
| Yield P. S. lard | 32,665 | lbs. | 32,880 | lbs. | 24,525 | lbs. | 21,920 | lbs. |
| Boilers | ||||||||
| Water evaporation while cooking | 35,460 | lbs. | 24,420 | lbs. | 36,800 | lbs. | 23,990 | lbs. |
| Reduced to coal on 6 to 1 evap. | 5,910 | lbs. | 4,070 | lbs. | 6,134 | lbs. | 3,986 | lbs. |
| Boiler pressure average | 57.6 | lbs. | 62.8 | lbs. | 51.6 | lbs. | 50 | lbs. |
| Tank pressure average | 40.2 | lbs. | 40.5 | lbs. | 34.5 | lbs. | 32.5 | lbs. |
| Results | ||||||||
| Cost fuel at $1.36 per ton | $4.02 | $2.77 | $4.17 | $2.71 | ||||
| Steam, per 1,000 lbs. raw product | 853 | lbs. | 593 | lbs. | 759 | lbs. | 579 | lbs. |
| Fuel, per 1,000 lbs. raw product | 142 | lbs. | 99 | lbs. | 126 | lbs. | 98.5 | lbs. |
| Cost fuel, 1,000 lbs. raw product | $.097 | $.067 | $.086 | $.065 | ||||
| Clear | Snowy | Clear | Clear | |||||
| Temperature | 32 to 34 | 34 to 35 | 22 to 38 | 13 to 18 | ||||
Remarks on Cooking:
No. 1 Test Cooked with three waters, boiled two hours before heading.
No. 2 Test Cooked with one water, tank filled before heading.
No. 3 Test Cooked with two waters, boiled two hours before heading.
No. 4 Test Cooked with one water, tank filled before heading.
Tests.
—Innumerable tank house tests are made. The following few are submitted for quick reference, giving an idea as to yields of various kinds of products:
TEST ON CONDEMNED HOGS—YIELD OF GREASE.
| Condemned hogs to tank | 954 lbs. | |
| Yield of white grease | 467 lbs. | 48.95% |
| Yield pressed tankage | 173 lbs. | 18.13% |
| Yield dry tankage | 86 lbs. | 9.01% |
On the above the leaf lard was left in and heads off.
COMPARATIVE TEST OF SHEEP HEADS AND JAWS TO TANK AND BONE HOUSE.
| 325 sheep heads and jaws (cheeks off) to tank | 765 lbs. | ||||
| Yield to tallow | 73 lbs. | @ | $ 0.06 | per lb. | $4.38 |
| Yield dried tankage | 150 lbs. | @ | 19.00 | per ton | 1.42 |
| Total value | $5.80 | ||||