The US 6812 Division Bombe Report Eastcote 1944 Page 26

Tony Sale's Codes and Ciphers

| previous page | next page | index page |

- 21 - TOP SECRET-T

SINGLE INPUT, DOUBLE RELAY. SEE ALSO BOXING STOPS.




When going round a chain each relay has to be tested. This gives two different couples for each letter of the menu.

I|P|N J|S|R H|L|P K|S|S

permis- sible.

2 storys possible...

one relay could be the right stop.





When going round a chain one letter cannot be coupled to the same letter each t:bne.

I|P|N J|T|R H|L|F K|S|S

Impossible.

Wrong checking.

On the first relay one letter on the chain is coupled to another letter on the chain,which does not confirm on either relay.

I|K||I|A H|L||H|H K|S||K|D J|T||J|R .

illegal contra- diction on first relay but second relay is correct

a fault on M/C on first relay. Inform Technician. Second relay could be right stop.



DOUBLE INPUT. SINGLE RELAY ON MAIN CHAIN. DOUBULE RELAY ON AUXILIARY CHAIN.




1 letter on the main chain is coupled to one letter on the auxiliary chain. zither of the auxiliary chain relays may confirm.

I|P J|S H|L K|F ------ M|T|B F|N|K

confir- mation.

stop or story poasible. Secord story also possible on auxiliary chain.





1 letter on the main chain is coupled to one letter on the auriliary chain which is not confinred.

I|P J|S H|L K|F -------- M|T|B F|N|Y

illegal contradiction. M/C should not have stopped.

a fault on the M/C. Inform Technician.



BOXING STOPS.




---




| previous page | next page | index page |