92
 

EFFECT OF HUMIDITY ON NERVOUSNESS
 

Chronology of Htjmidity Experiment

Squad A, Oct. 4-16, 1915.
Squad B, Oct. 18-29, 1915.

Squad C, Nov. 1-12, 1915 (Subjects 1, 2, 3).   Began under Wet Condition.
Squad D, Nov. 15-27, 1915 (Subjects 4, 5, 6, 7).   Began under Dry Condition.
Squad E, Nov. 29-Dec. 10, 1915 (Subjects 8,9,10, 11).   Began under Wet Con¬
dition.
Squad F, Dec. 13-24, 1915 (Subjects 12, 13,14).    Began under Dry Condition.
Squad G, Jan. 4-14,1916 (Subjects 15,16,17,18).   Began under Wet Condition.
Squad H, Jan. 17-28,1916 (Subjects 19,20,21,22).    Began under Dry Condition.
 

Physical Conditions in the Experimental Boom'
 

Cu. Ft. Air       CO2 parts per
Average
 


 

Temperature
 

Relative       per person     10,000.      At
 

Date
 

Dry Bulb
 

Wet Bulb
 

Humidity      per minute        A.M. & P.
 


 

Squad C.
 

Week Nov,
 

. l-6th.
 

Condition 78°, 60 per i
 

:ent.
 

Nov.   1
 

75.0
 

62.5
 

50
 

31.5
 

5.5
 

2
 

75.0
 

62.5
 

50
 

30.5
 

4.7
 

3
 

75.5
 

62.5
 

48
 

30.0
 

•   4.2
 

4
 

75.0
 

62.5
 

50
 

30.0
 

4.7
 

5
 

75.0
 

62.5
 

50
 

30.0
 

4.5
 

Average
 

75.0
 

62.S
 

60
 

30.6
 

6.0
 


 

Squad C.
 

Week Nov. 8-12th.
 

Condition 76°, 20 per
 

cent.
 

Nov.   8
 

75.0
 

56.5
 

29
 

35.6
 

5.0
 

9
 

75.5
 

60.0
 

39
 

31.0
 

5.0
 

10
 

75.0
 

57.0
 

30
 

30.0
 

4.5
 

11
 

75.0
 

56.0
 

27
 

31.0
 

5.0
 

12
 

75.5
 

60.5
 

40
 

31.0
 

6.0
 

Average
 

7d.O
 

68.0
 

33
 

31.7
 

6.0
 


 

Squad D.
 

Week Nov.
 

16-19th.
 

Condition 76°, 20 per
 

• cent.
 

Nov. 15
 

75.0
 

60.5
 

42
 

30.0
 

3.2
 

16
 

75.0
 

55.5
 

26
 

31.0
 

5.0
 

17
 

75.0
 

55.5
 

26
 

30.0
 

5.2
 

18
 

75.0
 

55.0
 

25
 

31.0
 

5.5
 

19
 

75.5
 

61.5
 

46
 

30.0 Re-circ.
 

12.0 X
 

Average
 

7S.0
 

67.6
 

33
 

30.0
 

6.0
 

X—Stagnant after 2.25 P.M.
 


 


 


 


 

Squad D.
 

Week Nov. 22-27th.
 

Condition 76°, 60 per cent.
 

Nov. 22
 

75.0
 

62.5
 

50
 

30.0
 

4.5
 

23
 

75.0
 

62.5
 

50
 

30.0
 

5.5
 

24
 

75.0
 

62.5
 

50
 

30.0
 

5.5
 

26
 

75.0
 

62.5
 

49
 

29.5
 

5.0
 

27
 

75.0
 

62.5
 

50
 

31.5
 

5.5
 

Average
 

76.0
 

62.6
 

60
 

30.0
 

6.2
 

3 The maintenance of the physical conditions was in the hands of Mr. George
T. Palmer and Mr. Phihp Goldburg.