The Newmanry History

53L Page 345


If the Q panel were used delta Z2 would be switched in along with delta Z1.

1=2 on the Q panel, multiple testing on X1

Q2 + X + TM = . on the plug panel

TM = not X2oneback on the limitation determiner switches, using BMc/o,

When the multiple test switch for any wheel is thrown, a memory device is

Thus when Colossus is examining a particular place on Z, it has available

Most operators are surprised to find that the remembered characters appear

R1 = Delta-Z1 (present) + Delta-X1(present)
R2 = Delta-Z1 " + Delta-X1(1 back)
R3 = Delta-Z1 " + Delta-X1(2 back)
R4 = Delta-Z1 " + Delta-X1(3 back)
R5 = Delta-Z1 " + Delta-X1(4 back)

Five counts made simultaneously, with R1,R2,R3,R4,R5, used instead of the

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