302 FLUIDITY AND PLASTICITY If the temperature of the mercury is other than 20° a correc- tion is applied using Table IV. TABLE IV.—VALUES OP N. COEEECTION IN PRESSURES (GRAMS PER SQUARE CENTIMETER) FOR VARIOUS TEMPERATURES AND MERCURIAL HEIGHTS Temperature, degrees Centigrade Height of mercury, centimeters 10 20 30 40 50 60 70 80 90 100 5 0.4 0.7 1.1 1.5 1.8 2.2 2.6 2.9 3.3 3.7 0 0.3 0.7 1.0 1.4 1.7 2.1 2.4 2.7 3.1 3.4 7 0.3 0.6 1.0 1.3 1.6 1.9 2.2 2.6 2.9 3.2 8 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.6 2.9 9 0.3 0.5 0.8 1.1 1.4 1.6 1.9 2.2 2.4 2.7 10 0.2 0.5 0.7 1.0 1.2 1.5 1.7 2.0 2.2 2.4 11 0.2 0.4: 0.7 0.9 1.1 1.3 1.5 1.8 2.0 2.2 12 0.2 0.4; 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 13 0.2 0.3 0.5 0.7 0.9 1.0 1.2 1.4 1.5 1.7 14 0.2 0.3 0.4 0.6 0.7 0.9 1.0 1.2 1.3 1.5 15 0.1 0.2 0.4 0.5 0.6 0.7 0.9 1.0 1.1 1.2 16 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 17 0.1 0.1 0.2 0.3 0.4 0.4 0.5 0.6 0.7 0.7 18 0.1 0.1 0.2 0.2 0.2 0.3 0.3 0.4 0.4 0.5 19 0.0 0.0 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 20 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 21 0.0 0.0 -0.1 —0.1 -0.1 -0.2 -0.2 -0.2 -0.2 -0.2 22 -0.1 -0.1 -0.1 -0.2 -0.2 -0.3 -0.3 -0.4 -0.4 -0.5 23 -0.1 -0.1 -0.2 -0.3 -0.4 -0.4 -0.5 -0.6 -0.7 -0.7 24 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.0 25 -0.1 -0.2 -0.4 -0.5 -0.6 -0.7 -0.9 -1.0 -1.1 -1.2 26 -0.2 -0.3 -0.4 -0.6 -0.7 -0.9 -1.0 -1.2 -1.3 -1.5 27 -0.2 -0.3 -0.5 -0.7 -0.9 -1.0 -1.2 -1.4 -1.5 -1.7 28 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0 29 -0.2 -0.4 -0.7 -0.9 -1.1 -1.3 -1.5 -1.8 -2.0 -2.2 30 -0.2 -0.5 -0.7 - .0 -1.2 —1.5 -1.7 -2.0 -2.2 -2.4 31 -0.3 -0.5 -0.8 - .1 -1.4 -1.6 -1.9 -2.2 -2.4 -2.7 32 -0.3 -0.6 -0.9 - .2 -1.5 -1.8 -2.1 -2.4 -2.6 -2.9 33 -0.3 -0.6 -1.0 - .3 -1.6 -1.9 -2.2 -2.6 -2.9 -3.2 34 -0.3 -0.7 -1.0 - .4 -1.7 -2.1 -2.4 —2.7 -3.1 -3.4 35 -0.4 -0.7 -1.1 -1.5 -1.8 -2.2 -2.6 -2.9 -3.3 -3.7-