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Mode of ascertaining gravity of wort or wash.
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37. (1.) The gravity of wort or wash shall be ascertained by the prescribed saccharometer, and in calculating the same a degree of gravity shall be taken as equal to one thousandth part of the gravity of distilled water at sixty degrees Fahrenheit.
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(2.) To ascertain the original gravity of the wort from which wash is made, a definite quantity by measure of the wash must be distilled, and the distillate and spent wash each made up with distilled water to the original measure of the wash before distillation.
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(3.) The specific gravity of each must then be ascertained.
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(4.) The number of degrees and parts of a degree by which the specific gravity of the distillate is less than the specific gravity of distilled water shall be deemed the spirit indication of the distillate.
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(5.) The specific gravity of the spent wash added to the degree of original gravity which in Table A. in the Second Schedule is set opposite the degree of spirit indication shall be deemed the original gravity of the wort.
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(6.) All weighings and measurings for any of the above purposes must be made when the liquid is at sixty degrees Fahrenheit.
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(7.) The distiller or any person acting on his behalf may, if the distiller so desires, be present at any such process for ascertaining original gravity.
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