These 1102 loaves, when baked, weighed at a medium 2 lbs. 5 1/2 loths each; consequently, taken together, they weighed 2393 lbs. 13 loths: and as they weighed 2755 lbs. when they were put into the oven, they must have lost 361 lbs. 19 loths in being baked, which gives 10 1/2 loths, equal to 21/160 or nearly 1/8 of its original weight before it was baked, for the diminution of the weight of each loaf.
According to the standing regulations of the baking business carried on in the bakehouse of the Military Workhouse at Munich, for each 100 lbs. of rye meal which the baker receives from the store-keeper, he is obliged to deliver 139 lbs. of well-baked bread; namely, 64 loaves, each weighing 2 lbs. 5 1/2 loths. And as in the before-mentioned six experiments, 1736 lbs. of meal were used, it is evident that 1111 loaves, instead of 1102 loaves, ought to have been produced; for 100 lbs. of meal are to 64 loaves as 1736 lbs, to 1111 loaves. Hence it appears that 9 loaves less were produced in these experiments than ought to have been produced.
There were reasons to suspect that this was so contrived by the baker, with a design to get the number of loaves he was obliged to deliver for each 100 lbs. of meal lessened;--but in this attempt he did not succeed.
Quantity of Fuel consumed in these Experiments.
Dry pine-wood. lbs. loths. In heating the oven first time, -- -- 366 16 second time,-- -- 134 16 third time, -- -- 100 0 fourth time,-- -- 90 0 fifth time, -- -- 80 0 sixth time, -- -- 74 16 ------------ Total, 845 16 Employed in keeping up a small fire near the mouth of the oven while the bread was putting into it, -- -- -- 34 16
Total consumption of wood in the six experiments,-- -- -- -- -- -- -- 880 lbs.
The results of these experiments show, in a striking manner, how important it is to the saving of fuel in baking bread, to keep the oven continually going, without ever letting it cool: for in the first experiment when the oven was cold, when it was begun to be heated, the quantity of wood required to heat it was 366 1/2 lbs.; but in the sixth experiment, after the oven had been well warmed in the preceding experiments, the quantity of fuel required was only 74 1/2 lbs.
As in these experiments 2393 lbs. 13 loths of bread were baked with the heat generated in the combustion of 880 lbs. of wood, this gives to each pound of bread 11 1/3 loths, or 34/96 of a pound, of wood.