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Abbreviations
WA = Western Approaches Liverpool War Museum
TNMOC = The National Museum of Computing Bletchley Park
NTKC = National Telephone Kiosk Collection
DDA = Digital Document Archive
Some documents in the DDA are available to view.
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Searching by ID Items found: 1 Your Keywords: Use commas to separate keywords STORAGE indicates item is in our Shropshire storage facility | ID | | Type | | | | Intended Use | | Location | | Description | | | 10244 | | DOCUMENTS | | DIAGRAM | |  View Document Full members only | | REFERENCE | | STORAGE | | NTC/GPO Telephone Diagrams (like N Diagrams) book hardback bound. Handwritten inside cover National Telephone Company 1910. Offical title: Post Office Telegraphs Connections of Telephonic Apparatus & Circuits. General Post Office 1909. 285 pages of circuit diagrams & reference tables. See Table of Contents for the diagrams contained. | |
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