The mash gauged just before the tap was set, 25,00 Inches. Allowed for the space under false bottoms, 0,66 ----- 25,66 Deduct the inches taken up by the water, 20,15 ----- Remainder for the five quarters of malt, 5,51 Inches. or 1,10 inch for one quarter. This number being multiplied by 17,71, the quantity of gallons contained upon one inch at this heat, will give 19,48 gallons for the volume of one quarter of this malt. There now remains nothing but to bring a barrel of water of 34 gallons, under like circumstances, as to expansion and evaporation, with these 19,48 gallons, with this difference only, that as the proportion required is, at the time the water and malt first come in contact, and not after the mash has been worked, a less allowance for steaming will be sufficient, and may well be fixed at one seventh. Gauge within the bills of Gauge without the bills of mortality. mortality. If 7,00 8,00 36 If 7,00 8,00 34 36 34 ----- ----- 4800 3200 2400 2400 ----- ----- 7,00)288,00 7,00)272,00 ----- ----- 41,14 38,85 5,87 Lost by steam. 5,55 Lost by steam. ----- ----- 35,24 33,30 The barrel of water reduced; and as 19,48 gallons, under the same circumstances, were found equal to one quarter of malt, the following division will shew the proportion, between them. 19,48)35,2400(1,81 19,48)33,3000(1,70 1948 1948 ------ ------ 15760 13820 15584 13636 ------ ------ 1760 184 1948 ------ Thus, in malt dried to 125 degrees, the quantity of 1,70 quarters is required to make a volume equal to 34 gallons, or a barrel of water, according to the excise gauging without the bills of mortality; and the quantity of 1,81 quarters is required to make a volume equal to 36 gallons, or a barrel of water, according to the excise gauging within the bills of mortality.