Record revealed
The first American invention to obtain an English patent
Piece
Catalogue reference: MAF 33/579
This record is about the Dried Grass. Grass drying: reports: Harper Adams College. dating from 1937-1939 in the series National Agricultural Advisory Service and predecessors: Education and Research Correspondence.... It is held at The National Archives, Kew.
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Dried Grass. Grass drying: reports: Harper Adams College.
MAF 33
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Dried Grass. Grass drying: reports: Harper Adams College.
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