RSA/PR/GE/110/3/31
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Item
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24/4/1760
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/15/27
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Item
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12/2/1764
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/16/113
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Item
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1764
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/16/142
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Item
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1764
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/18/73
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Item
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1765
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/18/84
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Item
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1765
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/GE/110/30/140
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Item
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21/1/1779
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/50
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Item
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26/4/1819
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
Includes diagram
RSA/PR/MC/101/10/2102
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Item
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1793-1794
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/2105
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Item
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9/12/1797
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/2111
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Item
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26/3/1776
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/611
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Item
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13/2/1794
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/761
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Item
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8/4/1789
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/789
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Item
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11/11/1823
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/819
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Item
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12/4/1810
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/939
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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/101/10/958
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Item
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3/4/1776
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/146
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Item
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23/3/1848
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/488
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Item
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2/3/1791
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
RSA/PR/MC/101/10/1596
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Item
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20/3/1818
Parte de Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)