Patent files of P Thiessen of Deutsche Seewarte (PG 25343), Abstract of contents of an item (4); an explanation of the Magnesyn principle, 19471971
Patent files of P Thiessen of Deutsche Seewarte (PG 25343), Abstract of contents of an item (4); an explanation of the Magnesyn principle, 1947
Record Details
| Item reference: | ACO/13/28; ADM/235/28 |
|---|---|
| Catalogue Section: | Public records: records of the central administration of the Royal Navy and the Merchant Navy |
| Level: | ITEM |
| Extent: | 1 volume |
| Date made: | 1947 - 1947; 1947 |
| Creator: | Admiralty Compass Observatory |
| Credit: | © Crown copyright. National Maritime Museum, Greenwich, London |
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- Correspondence with Admiralty, In letters and Out letters, 22 February 1842 to 13 January 1847. (Manuscript) (ACO/13/1)
- Entry Book of Admiralty Correspondence, with notes and minutes by Compass Superintendent, 14th January 1847- 8th November 1854 (Manuscript) (ACO/13/2)
- Entry Book of Admiralty Correspondence, with notes and minutes by Compass Superintendent, 8 November 1854- April 3 1873 (Manuscript) (ACO/13/3)
- Miscellaneous Correspondence, Out- letters to compass makers and miscellaneous correspondence, 4th January 1847- 4th January 1868 (Manuscript) (ACO/13/4)
- Miscellaneous correspondence, In letters to compass makers and misc correspondence, 3 October 1849- 18 March 1883 (Manuscript) (ACO/13/5)
- Correspondence with compass makers, In letters and Out letters, 7 August 1842- 10 November 1883 (Manuscript) (ACO/13/6)
- Correspondence with compass makers, In letters, 1847- 1898 (Manuscript) (ACO/13/7)
- Correspondence with Admiralty, In- letters, 6 February 1847- 30 December 1870 (Manuscript) (ACO/13/8)
- Correspondence with Dockyard Authorities, In letters and Out letters, 21 March 1842- April 1851 (Manuscript) (ACO/13/9)
- Correspondence with Dockyard Authorities, In letters, 2 January 1850- 12 June 1871 (Manuscript) (ACO/13/10)
- Correspondence with Naval Officers, In letters, 20 January 1840- 18 August 1849 (Manuscript) (ACO/13/11)
- Correspondence with Naval Officers, Out letters, 30 June 1849- 11 May 1872 (Manuscript) (ACO/13/12)
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