1912. A commercial telegraph codebook designed to compress long business messages into short, economical code groups.
Browse By Category
Latest Unicorn Bookshop Books
1000s of books in stock – Showing the latest 200 books below. Please use the search section at the top of the page or select a category.
Tag: See all BENTLEY'S CODE
$149.95NZD
1925. A commercial telegraph codebook designed to compress long business messages into short, economical code groups.