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Registered Designs and Coded Equipment

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This page gives access to a short description of nearly every "coded and registered" design produced by the BBC between 1957 and 1991 (over 7000 !).

Coded Equipment Register 1992.

Technical Documentation Cross Reference 1992.

Technical Documentation Cross Reference 1988.

Coded Equipment Register 1987 - see below.

Coded Equipment 1981 (Obsolescent, cancelled and withdrawn equipment) - see below.

List of code groups 1981.

Registered Designs and Coded Equipment 1963 - Volume 2: Components

Addendum to Registered Designs and Coded Equipment - Part II - Transformers


The books below are in a cumbersome format, but they contain nearly 800 pages compared with about 80 pages for the 1992 book above. 

It was not feasible to scan the entire volumes in one session, so they are split up as shown below.  Each block of pages is listed as Page 1, Page 2... etc., and the page displayed is this number plus the base number (e.g. 200 for Pages 201 to 300).  Click Up, at the top of the frame containing the list of pages, in order to return to this page.

Part I dated 1987 - Coded Equipment Register

Pages 1 to 100
Pages 101 to 200
Pages 201 to 300
Pages 301 to 358

 

Part II - This is not available, but most* of the codes are covered by the 1981 and 1987 documents (above and below).

 

Part III dated 1981 - Obsolescent, cancelled and withdrawn equipment

Pages 1 to 100
Pages 101 to 200
Pages 201 to 300
Pages 301 to 418