Catalogue description 'Table for a Conical Orthomorphic Projection with Two Standard Parallels; Based on a...

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Details of OS 3/430
Reference: OS 3/430
Description:

'Table for a Conical Orthomorphic Projection with Two Standard Parallels; Based on a Mean Parallel of 39 Degrees': Geographical Section of the General Staff, The War Office; published by HMSO
Date: 1922 Jan 01-1922 Dec 31
Held by: The National Archives, Kew
Legal status: Public Record(s)
Closure status: Open Document, Open Description

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