﻿176 
  Dr. 
  A. 
  D. 
  Waller. 
  The 
  Physiological 
  Cost 
  of 
  Muscular 
  

  

  Labourer 
  No. 
  2. 
  — 
  Age 
  58. 
  Weight, 
  89 
  kgrm. 
  ; 
  height, 
  T75 
  M. 
  Body 
  

  

  Surface, 
  2 
  - 
  05 
  M 
  2 
  . 
  Six 
  days' 
  continuous 
  observation. 
  

  

  Time. 
  

  

  Time 
  of 
  

   sampling 
  

   (seconds). 
  

  

  Ventila- 
  

   tion 
  

   (litres). 
  

  

  Ventila- 
  

   tion 
  

   (c.c. 
  

  

  per 
  sec). 
  

  

  C0 
  2 
  

   per 
  

   cent. 
  

  

  C0. 
  2 
  

   (c.c. 
  

   per 
  

   sec). 
  

  

  

  Friday, 
  December 
  13, 
  1918 
  (Piece-work). 
  

  

  7.30 
  

   8.0 
  

   8.30 
  

   9.30 
  

   10.30 
  

   11.30 
  

  

  60 
  

   50 
  

   45 
  

   40 
  

   30 
  

   35 
  

  

  20 
  

   19 
  

   20 
  

   23 
  

   24 
  

   23 
  

  

  333 
  

   380 
  

   444 
  

   575 
  

   800 
  

   657 
  

  

  1 
  -8 
  

  

  2-0 
  

  

  2- 
  6 
  

  

  3- 
  

  

  3- 
  

  

  4- 
  

  

  6- 
  00 
  

  

  7- 
  60 
  

   11 
  -54 
  

   16-25 
  

   24 
  -00 
  

   26-20 
  

  

  1 
  

  

  ! 
  *Coaling, 
  i.e., 
  heavy 
  work 
  against 
  

   j 
  time. 
  

  

  J 
  

  

  

  

  

  12 
  to 
  1 
  P.M. 
  

  

  Dinner 
  hour. 
  

  

  1.0 
  

   2.0 
  

   3.0 
  

   4.0 
  

  

  60 
  

   35 
  

   30 
  

   30 
  

  

  22 
  

   24 
  

   23 
  

   24 
  

  

  367 
  

   685 
  

   766 
  

   800 
  

  

  3'2 
  

   3 
  -5 
  

  

  3- 
  8 
  

  

  4- 
  

  

  11 
  -74 
  

   23 
  97 
  

   29-10 
  

   32 
  -00 
  

  

  ^j»*Coaling. 
  

  

  Saturday, 
  December 
  14. 
  

  

  8.0 
  

   830 
  

   8.32 
  

   9.30 
  

   10.30 
  

   11.30 
  

   12-0 
  

  

  60 
  

   30 
  

   '30 
  

   30 
  

   30 
  

   30 
  

   30 
  

  

  18 
  

   15 
  

   16 
  

   22 
  

   20 
  

   21 
  

   24 
  

  

  300 
  

   500 
  

   533 
  

   733 
  

   667 
  

   700 
  

   800 
  

  

  2-0 
  

   2-2 
  

  

  2- 
  6 
  

  

  3- 
  

   3 
  -4 
  

  

  3- 
  4 
  

  

  4- 
  

  

  6-00 
  

   11 
  -00 
  

   13-80 
  

  

  21 
  -90 
  

  

  22 
  -70 
  

  

  23 
  -80 
  

   32-00 
  

  

  [Samples 
  taken 
  immediately 
  before 
  

   J 
  and 
  after 
  carrying 
  a 
  sack 
  of 
  coal. 
  

  

  ♦Coaling 
  ; 
  carried 
  21 
  sacks, 
  112 
  lbs. 
  

   each, 
  during 
  the 
  hour 
  8.30 
  to 
  9.30, 
  

   distance 
  about 
  10 
  yards 
  down- 
  

  

  *Coaling. 
  [wards, 
  1/20. 
  

  

  12 
  to 
  1 
  p.m. 
  

  

  Dinner 
  hour. 
  Felt 
  tired 
  and 
  took 
  

  

  an 
  extra 
  hour 
  off 
  duty 
  at 
  midday. 
  

  

  1.0 
  

  

  2.0 
  

  

  2.30 
  

  

  3.0 
  

  

  4.0 
  

  

  60 
  

   40 
  

   35 
  

   30 
  

  

  15 
  

   20 
  

   21 
  

  

  24 
  

  

  250 
  

   500 
  

   600 
  

   800 
  

  

  2- 
  

  

  3- 
  2 
  

   3-3 
  

   3-5 
  

  

  5-00 
  

   16-00 
  

   19 
  -80 
  

   28 
  -00 
  

  

  ] 
  Heavy 
  work. 
  Preparing 
  ground 
  for 
  

   \ 
  building. 
  Pounding. 
  (Time 
  scale.) 
  

   J 
  Feels 
  " 
  very 
  tired." 
  

  

  

  Monday, 
  December 
  16 
  (Piece-work.) 
  

  

  Still 
  not 
  feeling 
  well. 
  

  

  8.0 
  

   9.0 
  

   10.0 
  

   11.0 
  

   11.45 
  

  

  60 
  

   30 
  

   30 
  

   30 
  

   30 
  

  

  21 
  

  

  20 
  

   21 
  

   23 
  

   21 
  

  

  350 
  

   667 
  

   700 
  

   767 
  

   700 
  

  

  2-2 
  

   2-0 
  

   23 
  

  

  2- 
  5 
  

  

  3- 
  

  

  7-70 
  

   13 
  -34 
  

   16 
  -10 
  

   19 
  -15 
  

   21 
  -00 
  

  

  -> 
  

   i 
  

  

  1 
  

  

  (• 
  *Coaling. 
  

   J 
  

  

  

  1.0 
  

   2.0 
  

   3.0 
  

   4.0 
  

  

  60 
  

   30 
  

   30 
  

   30 
  

  

  20 
  

   19 
  

   21 
  

   24 
  

  

  333 
  

   633 
  

   700 
  

   800 
  

  

  2-5 
  

   4-0 
  

   4-4 
  

   4-5 
  

  

  8-32 
  

   25 
  -32 
  

   30 
  -00 
  

   36 
  -00 
  

  

  j>*Coaling. 
  

  

  