﻿236 
  Dr. 
  A. 
  D. 
  Waller. 
  The 
  Physiological 
  Cost 
  of 
  Muscular 
  

   Labourers 
  Nos. 
  6 
  and 
  7 
  — 
  continued. 
  

  

  

  Time 
  of 
  

  

  Ventila- 
  

  

  Ventila- 
  

  

  C0. 
  2 
  

  

  C0 
  2> 
  

  

  Time. 
  

  

  sampling 
  

  

  tion 
  

  

  tion, 
  c.c. 
  

  

  per 
  

  

  c.c. 
  per 
  

  

  

  (seconds). 
  

  

  (litres). 
  

  

  per 
  sec. 
  

  

  cent. 
  

  

  sec. 
  

  

  

  12.45 
  

  

  60 
  

  

  17 
  

  

  283 
  

  

  2-6 
  

  

  7 
  35 
  

  

  12.55 
  

  

  60 
  

  

  17 
  

  

  283 
  

  

  2-6 
  

  

  7-35 
  

  

  2.0 
  

  

  35 
  

  

  18-5 
  

  

  529 
  

  

  3-0 
  

  

  15 
  -87 
  

  

  3.0 
  

  

  30 
  

  

  17 
  -5 
  

  

  583 
  

  

  3 
  2 
  

  

  18 
  -65 
  

  

  4.0 
  

  

  30 
  

  

  19 
  

  

  633 
  

  

  3 
  6 
  

  

  22 
  -78 
  

  

  5.0 
  

  

  60 
  

  

  1 
  

  

  18 
  

  

  300 
  

  

  2-4 
  

  

  7-2 
  

  

  6.0 
  

  

  60 
  

  

  24 
  

  

  400 
  

  

  2 
  5 
  

  

  10 
  -o 
  

  

  7.0 
  

  

  60 
  

  

  22 
  

  

  366 
  

  

  2-8 
  

  

  10 
  -2 
  

  

  8.0 
  

  

  60 
  

  

  20 
  

  

  333 
  

  

  3-0 
  

  

  9 
  9 
  

  

  4.30 
  

  

  60 
  

  

  18 
  

  

  300 
  

  

  2-8 
  

  

  8 
  -4 
  

  

  5.0 
  

  

  30 
  

  

  18 
  

  

  600 
  

  

  3 
  2 
  

  

  19 
  -2 
  

  

  6.0 
  

  

  30 
  

  

  20 
  

  

  666 
  

  

  3-5 
  

  

  23 
  3 
  

  

  7.0 
  

  

  30 
  

  

  24 
  

  

  800 
  

  

  3-8 
  

  

  30 
  -4 
  

  

  8.0 
  

  

  30 
  

  

  24 
  

  

  800 
  

  

  4-0 
  

  

  32 
  -0 
  

  

  1.0 
  

  

  60 
  

  

  24 
  

  

  400 
  

  

  2-4 
  

  

  9 
  6 
  

  

  2.0 
  

  

  35 
  

  

  22 
  

  

  628 
  

  

  3 
  

  

  18 
  -8 
  

  

  3.0 
  

  

  60 
  

  

  20 
  

  

  333 
  

  

  3 
  -0 
  

  

  9-9 
  

  

  4.0 
  

  

  

  

  

  

  

  1.0 
  

  

  60 
  

  

  19 
  

  

  316 
  

  

  2 
  "4 
  

  

  7-58 
  

  

  2.0 
  

  

  60 
  

  

  24 
  

  

  400 
  

  

  3-0 
  

  

  12 
  -0 
  

  

  3.0 
  

  

  60 
  

  

  20 
  

  

  333 
  

  

  2-5 
  

  

  8'3 
  

  

  4.0 
  

  

  60 
  

  

  18 
  

  

  300 
  

  

  2-5 
  

  

  7-5 
  

  

  Monday, 
  July 
  28 
  (" 
  Sunday 
  night 
  "). 
  

   Labourer 
  No. 
  7. 
  

  

  A 
  heavy 
  night. 
  

  

  5680 
  carcases 
  of 
  lamb 
  and 
  sundries 
  

   to 
  be 
  loaded 
  by 
  10 
  men. 
  They 
  

   actually 
  loaded 
  4346 
  carcases 
  

   and 
  94 
  sundries. 
  

  

  At 
  2 
  a.m., 
  5 
  mins. 
  rest 
  for 
  coffee. 
  

  

  At 
  4 
  a.m., 
  30 
  mins. 
  rest 
  for 
  coffee. 
  

  

  Wednesday, 
  July 
  30 
  (" 
  Tuesday 
  

   night 
  "). 
  

   Labourer 
  No. 
  7. 
  

  

  An 
  easy 
  night. 
  

  

  Between 
  1 
  and 
  2 
  a.m., 
  10 
  men 
  

   loaded 
  342 
  carcases 
  of 
  lamb. 
  

  

  At 
  4 
  a.m., 
  " 
  No. 
  7 
  was 
  dozing 
  and 
  

   I 
  did 
  not 
  wake 
  him." 
  Q-. 
  de 
  D. 
  

  

  From 
  5 
  to 
  6 
  he 
  went 
  out. 
  From 
  

   6 
  to 
  8 
  he 
  mored 
  about 
  on 
  odd 
  jobs. 
  

  

  Thursday, 
  July 
  31 
  (" 
  Wednesday 
  

   night 
  "). 
  

   Labourer 
  No. 
  7. 
  

  

  A 
  very 
  easy 
  night. 
  

  

  " 
  Only 
  six 
  bags 
  of 
  suet 
  to 
  be 
  taken 
  

   to 
  the 
  market, 
  the 
  rest 
  of 
  the 
  

   night 
  not 
  working 
  at 
  all." 
  

  

  5.0 
  

  

  60 
  

  

  18 
  

  

  300 
  

  

  2-4 
  

  

  7-2 
  

  

  6.0 
  

  

  60 
  

  

  19 
  

  

  316 
  

  

  2 
  2 
  

  

  6-9 
  

  

  7.0 
  

  

  60 
  

  

  18 
  

  

  300 
  

  

  2-2 
  

  

  6 
  6 
  

  

  8.0 
  

  

  60 
  

  

  18 
  

  

  300 
  

  

  2-2 
  

  

  6-6 
  

  

  