Focus on
The corsair state of Rabat-Salé
On the Atlantic coast of Morocco are two cities that became one of the most substantial Islamic ports of the 17th Century.
Piece
Diaphragm type barium titanate low-frequency hydrophone
Catalogue reference: ADM 204/1765
What’s it about?
This record is about the Diaphragm type barium titanate low-frequency hydrophone dating from 1956 in the series Admiralty: Admiralty Research Laboratory: Reports and Notes. It is held at The National Archives, Kew.
Is it available online?
No, this record is not available online. However, you can order a copy. Other ways to view it.
Can I see it in person?
Yes, this record is held at The National Archives and is available to see in person. How to view it.
Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
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ADM 204/1765
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Date (When the record was created)
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1956
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Description (What the record is about)
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Diaphragm type barium titanate low-frequency hydrophone
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Held by (Who holds the record)
- The National Archives, Kew
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Former department reference (Former identifier given by the originating creator)
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ARL/N6/J
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Legal status (A note as to whether the record being described is a Public Record or not)
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Public Record(s)
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
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Open Document, Open Description
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C2168158/
How to order it
- View this record page in our current catalogue
- Check viewing and downloading options
- Select an option and follow instructions
Series information
ADM 204
Admiralty: Admiralty Research Laboratory: Reports and Notes
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
2,470,001 records
Within the department: ADM
Records of the Admiralty, Naval Forces, Royal Marines, Coastguard, and related bodies
3,630 records
Within the series: ADM 204
Admiralty: Admiralty Research Laboratory: Reports and Notes
You are currently looking at the piece: ADM 204/1765
Diaphragm type barium titanate low-frequency hydrophone
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