Page:On the economy of machinery and manufactures - Babbage - 1846.djvu/234

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200
ON THE DIVISION OF MENTAL LABOUR.
Repetitions
of Process.
MOVEMENTS. Clock A.
——
Hand set to
I.
Clock B.
——
Hand set to
III.
Clock C.
——
Hand set to
II.
TABLE. First
difference.
Second
difference.
1 Pull A. A. strikes . . . . 1 . . . . . . . . . . . .
Pull— — — B. The hand is
advanced (by B.)
3 divisions . .
B. strikes . . . . 3 . . . .
Pull— — — C. . . . . . . . . The hand is
advanced (by C.)
2 divisions . .
C. strikes 2
2 Pull A. A. strikes . . . . 4 . . . . . . . . . . . .
Pull— — — B. The hand is
advanced (by B.)
5 divisions . .
B. strikes . . . . 5 . . . .
Pull— — — C. . . . . . . . . The hand is
advanced (by C.)
2 divisions . .
C. strikes 2
3 Pull A. A. strikes . . . . 9 . . . . . . . . . . . .
Pull— — — B. The hand is
advanced (by B.)
7 divisions . .
B. strikes . . . . 7 . . . .
Pull— — — C. . . . . . . . . The hand is
advanced (by C.)
2 divisions . .
C. strikes 2
4 Pull A. A. strikes . . . . 16 . . . . . . . . . . . .
Pull— — — B. The hand is
advanced (by B.)
9 divisions . .
B. strikes . . . . 9 . . . .
Pull— — — C. . . . . . . . . The hand is
advanced (by C.)
2 divisions . .
C. strikes 2
5 Pull A. A. strikes . . . . 25 . . . . . . . . . . . .
Pull— — — B. The hand is
advanced (by B.)
11 divisions . .
B. strikes . . . . 11 . . . .
Pull— — — C. . . . . . . . . The hand is
advanced (by C.)
2 divisions . .
C. strikes 2
6 Pull A. A. strikes . . . . 36 . . . . . . . . . . . .
Pull— — — B. The hand is
advanced (by B.)
13 divisions . .
B. strikes . . . . 13 . . . .
Pull— — — C. . . . . . . . . The hand is
advanced (by C.)
2 divisions . .
C. strikes 2