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TABIB C6 Aprexnix A). 
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Showing the fall in the temperature of dry air when expanded. 
1. The fall in temperature of dry air when expanded adiabatically from the following pressures and at the temperatures given, 
2. The temperature of the expanded air, in degrees Fah. (if fully estimated). 
3. The gain of heat due to the condensation and freezing of the aqueous vapour, in degrees Fah. 
4. The resulting temperature, in degrees Fah. 
Pressure above atmosphere in lbs. | 2°9 59 88 17 147 176 206 2355 265 294 923 353 382 412 441 47 50° S29 558 588 617 6477 676 7O5 73:5 
> 
Absolute pressure in lbs. ... 176 205 235 265 294 923 353 382 412 4q1 47° 50 520 559 588 617 647 676 705 735 764 794 823 853 882 - 
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Absolute atmospheres v2 14 16 18 20 22 24 26 2'8 go 92 34 36 38 40 42 4°4 46 48 50 52 54 56 58 6.0 7 
Ratio of the greater to the less .,. | 1054 1102 1146 1186 1222 1257 1289 1319 1348 1975 14or 1426 1450 1473 1495 516 1537 1557. 1576 1595 1612 1631 1648 1665 1°681 
Initial Temperature. 25 44 63 77 90 rol III 119 127 134 141 147 153 158 163 168 172 176 180 184 188 191 104 107 200 
, 12 -31 -45 -58 69 -79 -87 -05 -102 109 115-121 126 -131 -190 -140 -144 -148 -152 -156 -159 -102 -165 -168 
Fah. Cent. ‘ 
es 15 13 i 10 8 8 7 6 5 5 5 4 4 4 3 3 3 3 2 2 2 2 2 2 2 
32° o° 22 1 20 -35 -50 61 -72 -81 -90 -07 104 It 117-122 128-133 «4-197. «-141:«s-146.—s—«=-150 -154 «157. ~-160 -163,—Ss -166 ’ 
25 46 64 78 gi 103 113 122 130 137 144 150 156 161 166 171 175 179 183 187 191 194 197 200 203 
“ 16 “5 23 37 50 62 -72 81 89 96 -103 109 115 120 125 -1g0 134 -198 -142 -146 -I50 -153 -156 -159 -162 
41 5 
21 18 15 13 12 10 9 8 8 7 7 6 6 6 5 5 5 4 4 4 4 3 3 3 3 
37 13 8 -24 -38 *52 « -63 73 81 -80 96 -103 109-114-120 125 129-1394 -198 -142 -146 -150 -153 -156 -159 
- = a * 
26 47 65 80 93 105 115 124 132 139 146 152 158 163 168 173 178 183 187 191 105, 198 201 204 207 P 
é ys 24 3 15 -30. -43 55 -65 -74 82 -89 -96 = -102 108 113-118-123 128-1393 «-137-«S -1410-145 -14B - 151 154-157 
5° 10 t >. = 
31 26 21 19 16 14) 13 12 II 10 9 9 8 7 7 6 6 6 5 5 5 4 4 4 4 
§0 29 6 “11 -27 41 -52 -62 71 -79 87 -03  +=-100 106-111 117-122-127. -1g2. -196 -140. -144 -147 150-153 
27 40 66 81 94 105 117 125 135 142 148 155 161 167 172 177 182 187 191 105 199 202 205 208 21 
50° a 32 13 7 22 “35 46 -58 66 76 -83 89 96 -102 -108 -113 118 123 -128 -192 -136° -140 -143 -146 -149 -152 
9 15 
41 36 30 26 22 20 18 17 15 13 12 12 It It 10 9 9 § 8 7 if 7 6 6 6 
59 49 23 4 -13 26-40-49. -61 JO -77 -84 Ol 07-103 -109 -114 -120 -I124 -129 -1393 -136 -140 -143 -146 = 
¢ 27. 48 67 83 96 108 119 128 136 144 152 158 164 170 175 180 185 189 103 107 201 205 209 4212 215 
68° i 41 20 1 “15 -28 -40 51 -60 68 -76 -84 -GO -96 102 107 112) | =017, 121 125 -129 -1393 -197 -I141 -144 -147 
52 48 42 36 32 28 25 22 20 18 17 16 15 14 13 13 12 II 10 9 9 8 8 8 7 
68 68 43 21 4 12 25 -38 -48 -58 -67 ~74 81 -88 -04 -99 -105 -I10 -II5 -120 -I24 -129 -133 -136 -140 
28 49 68 84 lo 121 «= -1goS'sa198~=S 145 S540 160 Ss «166—Sssar72siséad: 182 18 192 201 20. 20 212 21 218 
a a 72 377 7 192197 5 209 5 ) 
7” ae 49 28 9 =] 21 “33 44 a Gr -68 77 -83 -89 -95 -100 -105 -I10 -I15 -120 -124 -128 -132 -135 -138 -I41 
69 65 57 48 42-38 35 31 27 24 22 21 19 18 17 16 16 15 14 14 13 13 12 11 10 
77 77 66 41 21 5 9 22 “34 44 -55 62 -70 77 83 89 -94 -100 -106 TIO, -115 119-123. Ss -127'—S -1131 
28 50 7° 86 oo it] 122 132 141 149 156 163 170 176 181 186 101 196 200 204 208 212 215 218 221 
86° 30° 58 30 16 Ce ae 25  -30 45 355 = -63 70 -77 ~~ -84 90 *95 -100 -105 -1f0 -114 -118 -122 -126 -129 -132 -135 
gr 75 74 65 57 50 45 41 38 35 32 30 28 26 25 23 21 | 19 18 17 17 16 16 15 15 
| 86 86 86 65 44 25 9 “5 -17 -28 38 -47 56 -64 -70 77 -84 -g1 -96 -101 = -105 110 113. --117,—Ss« -120 
as st a 87 ior 13 125 195 144 152 159 166 173 179 184 18 194 1¢9 203 108 212 216 219 222 225 
95° 35° 67 44 oe 8 6 38 “30 AD 6-490 57. 64 1 -78 -84 -89 04 “99 -104 -I08 -11f -117 -I2I -I124 -127 -190 
121 100 _ 97 8 75 (66 59 S54 49 45 41 39 37 34 32 go 28 26 25 24 «8-23 22 2200 21 20 
95 95 95 92 69 48 29 14 ° -12 -23 -32 -41 -50 “57 ~64 -71 -78 -83 -89 -04 -99 -102 -106 -110 
’ Z * 
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