Record revealed
The first American invention to obtain an English patent
These intricate 1716 drawings were submitted by Sybilla Masters in the final stage of securing a patent for machinery for 'cleaning and curing Indian corn'.
Piece
Notes on raw mineral phosphates
Catalogue reference: MAF 33/516
What’s it about?
This record is about the Notes on raw mineral phosphates dating from 1920-1923 in the series National Agricultural Advisory Service and predecessors: Education and Research Correspondence.... 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.
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Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
- MAF 33/516
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Date (When the record was created)
- 1920-1923
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Description (What the record is about)
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Notes on raw mineral phosphates
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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)
- TG 11759
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Legal status (A note as to whether the record being described is a Public Record or not)
- 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))
- 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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- Topics
- Farming
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C3055500/
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
MAF 33
National Agricultural Advisory Service and predecessors: Education and Research Correspondence...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
184,571 records
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You are currently looking at the piece: MAF 33/516
Notes on raw mineral phosphates
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