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Able – |
A term used as a cover name for the second productiion model of the bombe while it was being built. It was soon abandoned. |
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Ack – |
Acknowledge. Generally used to indicate that prints check. |
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Adam – |
The first experimental bombe which was run extensively in Dayton. |
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Cain – |
A term used as a cover name for the first production bombe. (see Abel) |
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CHER – |
A report of wheel orders completed on the bombes run in Dayton in the summer of 1943 which was sent daily at 0300 (GCT). |
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Circuit numbers, explanation of – |
Circuit numbers with an add first digit are from Washington to Dayton. Those with an even first digit are from Dayton to Washington. This system was not always strictly adhered to. |
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Dy. – |
Dayton |
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ESR – |
Evening situation report which was sent daily in the summer of 1943 at approximately 1900 (GCT). |
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Eve – |
The second experimental bombe which was run extensively in Dayton. |
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EWR – |
Report of wheel orders run made daily at 1100 (GCT). (see CWR) |
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MSR – |
Morning situation report which was sent daily in the summer of 1943 at approximately 1300 (GCT). |
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N. C. A. – |
Naval Communications Annex, Washingston, D. C. |
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N. C. M. L. – |
Naval Computing Machine Laboratory, National Cash Register Company, Dayton, Ohio. |
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N. C. R. – |
National Cash Register Company, Dayton, Ohio |
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Numbers – |
#2, #3, etc. are the numbers assigned to designate the production bombes. |