﻿MECHANICAL 
  ACTION 
  OF 
  HEAT. 
  

  

  189 
  

  

  TABLE 
  I. 
  — 
  Pressure 
  and 
  Volume 
  of 
  Steam, 
  and 
  its 
  Action 
  at 
  Full 
  Pressure. 
  

  

  (10 
  

  

  Tempera- 
  

   ture 
  Fah- 
  

   renheit. 
  

  

  -22° 
  

  

  -13 
  

  

  - 
  4 
  

  

  + 
  5 
  

  

  14 
  

  

  23 
  

  

  32 
  

  

  41 
  

  

  50 
  

  

  59 
  

  

  68 
  

  

  77 
  

  

  86 
  

  

  95 
  

  

  104 
  

  

  113 
  

  

  122 
  

  

  131 
  

  

  140 
  

  

  149 
  

  

  158 
  

  

  167 
  

  

  176 
  

  

  185 
  

  

  194 
  

  

  203 
  

  

  212 
  

  

  221 
  

  

  230 
  

  

  239 
  

  

  248 
  

  

  257 
  

  

  266 
  

  

  275 
  

  

  284 
  

  

  293 
  

  

  302 
  

  

  311 
  

  

  320 
  

  

  329 
  

  

  338 
  

  

  347 
  

  

  356 
  

  

  365 
  

  

  374 
  

  

  383 
  

  

  392 
  

  

  401 
  

  

  410 
  

  

  419 
  

  

  428 
  

  

  437 
  

  

  446 
  

  

  455 
  

  

  464 
  

  

  473 
  

  

  482 
  

  

  491 
  

  

  500 
  

  

  (2.) 
  

  

  Tempera- 
  

   ture 
  Cen- 
  

   tigrade. 
  

  

  -30° 
  

  

  -25 
  

  

  -20 
  

  

  -15 
  

  

  -10 
  

  

  - 
  5 
  

  

  

  

  + 
  5 
  

  

  10 
  

  

  15 
  

  

  20 
  

  

  25 
  

  

  30 
  

  

  35 
  

  

  40 
  

  

  45 
  

  

  50 
  

  

  55 
  

  

  60 
  

  

  65 
  

  

  70 
  

  

  75 
  

  

  80 
  

  

  85 
  

  

  90 
  

  

  95 
  

  

  100 
  

  

  105 
  

  

  110 
  

  

  115 
  

  

  120 
  

  

  125 
  

  

  130 
  

  

  135 
  

  

  140 
  

  

  145 
  

  

  150 
  

  

  155 
  

  

  160 
  

  

  165 
  

  

  170 
  

  

  175 
  

  

  180 
  

  

  185 
  

  

  190 
  

  

  195 
  

  

  200 
  

  

  205 
  

  

  210 
  

  

  215 
  

  

  220 
  

  

  225 
  

  

  230 
  

  

  235 
  

  

  240 
  

  

  245 
  

  

  250 
  

  

  255 
  

  

  260 
  

  

  (3.) 
  

  

  Logarithm 
  

   of 
  pressure 
  

  

  in 
  lbs. 
  per 
  

   square 
  foot. 
  

  

  T-99278 
  

   0-19841 
  

   0-39443 
  

   0-58153 
  

   0-76017 
  

   0-93102 
  

   109450 
  

   1-25111 
  

   1-40123 
  

   1-54527 
  

   1-68363 
  

   1-81647 
  

   1-94427 
  

   2-06724 
  

   2-18566 
  

   2-29976 
  

   2-40978 
  

   2-51592 
  

   2-61839 
  

   2-71736 
  

   2-81302 
  

   2-90552 
  

   2-99505 
  

   3-08163 
  

   316551 
  

   3-24680 
  

   3-32559 
  

   3-40199 
  

   3-47614 
  

   3-54810 
  

   3-61798 
  

   3-68586 
  

   3-75183 
  

   3-81597 
  

   3-87835 
  

   3-93904 
  

   3-99811 
  

   4-05562 
  

   4-11163 
  

   4-16619 
  

   4-21938 
  

   4-27122 
  

   4-32178 
  

   4-37110 
  

   4-41922 
  

   4-46618 
  

   4-51204 
  

   4-55682 
  

   4-60057 
  

   4-64331 
  

   4-68507 
  

   4-72592 
  

   4-76586 
  

   4-80492 
  

   4-84311 
  

   4-88051 
  

   4-91711 
  

   4-95293 
  

   4-98800 
  

  

  (*0 
  

  

  Differences. 
  

  

  0-20563 
  

  

  0-19602 
  

  

  0-18710 
  

  

  0-17864 
  

  

  0-17085 
  

  

  0-16348 
  

  

  0-15661 
  

  

  0-15012 
  

  

  0-14404 
  

  

  0-13836 
  

  

  01 
  3284 
  

  

  0-12780 
  

  

  0-12297 
  

  

  0-11842 
  

  

  011410 
  

  

  0-11002 
  

  

  0-10614 
  

  

  0-10247 
  

  

  0-09897 
  

  

  0-09566 
  

  

  009250 
  

  

  0-08953 
  

  

  0-08658 
  

  

  0-08388 
  

  

  0-08129 
  

  

  0-07879 
  

  

  0-07640 
  

  

  007415 
  

  

  0-07196 
  

  

  0-06988 
  

  

  0-06788 
  

  

  0-06597 
  

  

  006414 
  

  

  0-06238 
  

  

  0-06069 
  

  

  0-05907 
  

  

  0-05751 
  

  

  005601 
  

  

  0-05456 
  

  

  0-05319 
  

  

  0-05184 
  

  

  0-05056 
  

  

  004932 
  

  

  0-04812 
  

  

  004696 
  

  

  0-04586 
  

  

  0-04478 
  

  

  0-04375 
  

  

  0-04274 
  

  

  0-04176 
  

  

  0-04085 
  

  

  0-03994 
  

  

  003906 
  

  

  0-03819 
  

  

  003740 
  

  

  003660 
  

  

  0-03582 
  

  

  0-03507 
  

  

  (5.) 
  

  

  Pressure 
  in 
  

  

  lbs. 
  per 
  

   square 
  foot. 
  

  

  

  

  1 
  

  

  2 
  

   3 
  

  

  5 
  

  

  8 
  

  

  12 
  

  

  17 
  

  

  25 
  

  

  35 
  

  

  48 
  

  

  65 
  

  

  87 
  

  

  116 
  

  

  153 
  

  

  199 
  

  

  256 
  

  

  328 
  

  

  415 
  

  

  521 
  

  

  650 
  

  

  804 
  

  

  988 
  

  

  1206 
  

  

  1463 
  

  

  1765 
  

  

  2116 
  

  

  2523 
  

  

  2993 
  

  

  3532 
  

  

  4149 
  

  

  4851 
  

  

  5647 
  

  

  6545 
  

  

  7557 
  

  

  8690 
  

  

  9956 
  

  

  11366 
  

  

  12931 
  

  

  14662 
  

  

  16572 
  

  

  18673 
  

  

  20979 
  

  

  23502 
  

  

  26256 
  

  

  29254 
  

  

  32512 
  

  

  36043 
  

  

  39863 
  

  

  43986 
  

  

  48425 
  

  

  53201 
  

  

  58326 
  

  

  63815 
  

  

  69680 
  

  

  75947 
  

  

  82625 
  

  

  89728 
  

  

  97275 
  

  

  9835 
  

  

  5791 
  

  

  4799 
  

  

  8153 
  

  

  7567 
  

  

  5314 
  

  

  431 
  

  

  828 
  

  

  190 
  

  

  097 
  

  

  265 
  

  

  535 
  

  

  957 
  

  

  75 
  

  

  34 
  

  

  42 
  

  

  91 
  

  

  04 
  

  

  33 
  

  

  63 
  

  

  16 
  

  

  49 
  

  

  67 
  

  

  8 
  

  

  9 
  

  

  2 
  

  

  4 
  

  

  4 
  

  

  (6.) 
  

  

  Logarithm 
  

  

  of 
  volume 
  of 
  

  

  one 
  lb. 
  of 
  

  

  Steam 
  in 
  

  

  cubic 
  feet. 
  

  

  4-58173 
  

  

  4-38489 
  

  

  4-19748 
  

  

  4-01883 
  

  

  3-84847 
  

  

  3-68575 
  

  

  3-53025 
  

  

  3-38148 
  

  

  3-23906 
  

  

  3-10258 
  

  

  2-97165 
  

  

  2-84612 
  

  

  2-72551 
  

  

  2-60961 
  

  

  2-49815 
  

  

  2-39090 
  

  

  2-28762 
  

  

  218812 
  

  

  209219 
  

  

  1-99966 
  

  

  1-91035 
  

  

  1-82410 
  

  

  1-74074 
  

  

  1-66024 
  

  

  1-58236 
  

  

  1-50698 
  

  

  1-43403 
  

  

  1-36339 
  

  

  1-29492 
  

  

  1-22857 
  

  

  1-16423 
  

  

  1-10182 
  

  

  1-04125 
  

  

  0-98244 
  

  

  0-92533 
  

  

  0-86985 
  

  

  0-81592 
  

  

  0-76350 
  

  

  0-71251 
  

  

  0-66292 
  

  

  0-61464 
  

  

  0-56766 
  

  

  0-52190 
  

  

  0-47733 
  

  

  0-43391 
  

  

  0-39160 
  

  

  0-35034 
  

  

  0-31011 
  

  

  0-27087 
  

  

  0-23258 
  

  

  0-19524 
  

  

  0-15875 
  

  

  0-12314 
  

  

  0-08836 
  

  

  0-05441 
  

  

  0-02121 
  

  

  1-98877 
  

  

  1-95707 
  

  

  1-92608 
  

  

  (7-) 
  

  

  Differences. 
  

  

  0-19684 
  

  

  0-18741 
  

  

  0-17865 
  

  

  0-17036 
  

  

  01 
  6272 
  

  

  0-15550 
  

  

  0-14877 
  

  

  014242 
  

  

  0-13648 
  

  

  0-13093 
  

  

  012553 
  

  

  0-12061 
  

  

  0-11590 
  

  

  011146 
  

  

  0-10725 
  

  

  0-10328 
  

  

  0-09950 
  

  

  0-09593 
  

  

  009253 
  

  

  0-08931 
  

  

  0-08625 
  

  

  0-08336 
  

  

  0-08050 
  

  

  0-07788 
  

  

  0-07538 
  

  

  0-07295 
  

  

  0-07064 
  

  

  0-06847 
  

  

  0-06635 
  

  

  0-06434 
  

  

  0-06241 
  

  

  0-06057 
  

  

  0-05881 
  

  

  0-05711 
  

  

  0-05548 
  

  

  0-05393 
  

  

  0-05242 
  

  

  0-05099 
  

  

  0-04959 
  

  

  0-04828 
  

  

  0-04698 
  

  

  004576 
  

  

  004457 
  

  

  0-04342 
  

  

  0-04231 
  

  

  0-04126 
  

  

  0-04023 
  

  

  0-03924 
  

  

  0-03829 
  

  

  0-03734 
  

  

  0-03649 
  

  

  003561 
  

  

  0-03478 
  

  

  0-03395 
  

  

  0-03320 
  

  

  0-03244 
  

  

  003170 
  

  

  0-03099 
  

  

  (8.) 
  

  

  Volume 
  of 
  

   one 
  lb. 
  of 
  

   Steam 
  in 
  

   cubic 
  feet. 
  

  

  38171 
  

   24260 
  

   15757 
  

   10443 
  

   7054-6 
  

   4850-1 
  

   3390-4 
  

   2407-0 
  

   1734-0 
  

   1266-4 
  

   936-81 
  

   701-65 
  

   531-51 
  

   407-01 
  

   314-88 
  

   245-98 
  

   193-92 
  

   154-21 
  

   123-65 
  

   99-922 
  

   81-349 
  

   66-696 
  

   55-048 
  

   45-734 
  

   38-226 
  

   32-135 
  

   27-166 
  

   23-088 
  

   19-721 
  

   16-927 
  

   14-596 
  

   12-642 
  

   10-996 
  

   9-6037 
  

   8-4204 
  

   7-4105 
  

   6-5452 
  

   5-8010 
  

   5-1583 
  

   4-6017 
  

   4-1176 
  

   3-6954 
  

   33258 
  

   30014 
  

   2-7159 
  

   2-4638 
  

   2-2405 
  

   20423 
  

   1-8663 
  

   1-7084 
  

   1-5676 
  

   1-4413 
  

   1-3278 
  

   1-2256 
  

   11335 
  

   10501 
  

   0-97447 
  

   0-90588 
  

   0-84349 
  

  

  (9.) 
  

  

  Action 
  of 
  a 
  given 
  

  

  weight 
  of 
  Steam 
  in 
  

  

  raising 
  an 
  equal 
  

  

  weight 
  in 
  feet, 
  at 
  

  

  full 
  pressure 
  

  

  = 
  P 
  lVl 
  

  

  37541 
  

  

  38309 
  

  

  39076 
  

  

  39843 
  

  

  40611 
  

  

  41378 
  

  

  42146 
  

  

  42913 
  

  

  43680 
  

  

  44448 
  

  

  45215 
  

  

  45983 
  

  

  46750 
  

  

  47517 
  

  

  48285 
  

  

  49052 
  

  

  49820 
  

  

  50587 
  

  

  51354 
  

  

  52122 
  

  

  52889 
  

  

  53657 
  

  

  54424 
  

  

  55191 
  

  

  55959 
  

  

  56726 
  

  

  57494 
  

  

  58261 
  

  

  59028 
  

  

  59796 
  

  

  60563 
  

  

  61331 
  

  

  62098 
  

  

  62865 
  

  

  63633 
  

  

  64400 
  

  

  65168 
  

  

  65935 
  

  

  66702 
  

  

  67470 
  

  

  68237 
  

  

  69005 
  

  

  69772 
  

  

  70539 
  

  

  71307 
  

  

  72074 
  

  

  72842 
  

  

  73609 
  

  

  74376 
  

  

  75144 
  

  

  75911 
  

  

  76679 
  

  

  77446 
  

  

  78213 
  

  

  78981 
  

  

  79748 
  

  

  80516 
  

  

  8 
  1 
  283 
  

  

  82050 
  

  

  