RSA/PR/GE/110/21/5
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Item
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19/12/1763
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/9/45
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Item
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30/9/1760
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/14/104
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Item
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1763
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
Includes diagram and newspaper extract
RSA/PR/MC/101/10/1918
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Item
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23/1/1822
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1969
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Item
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14/10/1760
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1971
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Item
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21/10/1760
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/2093
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Item
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Dec 1818
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/2104
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Item
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1797
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/2134
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Item
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29/5/1794
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1389
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Item
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10/8/1840
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1502
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Item
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19/1/1785
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1582
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Item
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20/1/1821
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1584
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Item
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28/12/1819
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1603
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Item
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22/7/1801
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)