Bentley's complete phrase code (nearly 1000 million combinations) with at least 2 letters difference between each half-code word

Book details

Title

Bentley's complete phrase code (nearly 1000 million combinations) with at least 2 letters difference between each half-code word

Publication year listed

1909

Format

Public domain eBook

Reading access

Free online reader; no registration required

Source record

View on Archive.org