Description of the model of a horizontal windmill

• RSA/PR/MC/101/10/653
• Item
• 12/1/1787

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from a candidate about a horizontal windmill

• RSA/PR/MC/101/10/564
• Item
• 25/1/1791

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from Alexander Duncan about his improved horizontal windmill

• RSA/PR/MC/101/10/705
• Item
• 6/5/1816

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from Alexander Duncan about his improved horizontal windmill, with drawing and envelope

• RSA/PR/MC/101/10/1870
• Item
• 6/1/1817

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from B Merriman about improved windmill

• RSA/PR/MC/101/10/1054
• Item
• 1/5/1786

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from B Merriman about improved windmill

• RSA/PR/MC/101/10/1055
• Item
• 9/5/1786

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from B Merriman about improved windmill

• RSA/PR/MC/101/10/1053
• Item
• 29/3/1786

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from B Merriman about improved windmill

• RSA/PR/GE/110/22/139
• Item
• 29/3/1786

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from Dr Erasmus Darwin, Staffordshire about a horizontal windmill

• RSA/PR/GE/110/26/68
• Item
• 4/2/1769

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from Edward Thomason about his new invented windmill with one sail only

• RSA/PR/MC/101/10/1557
• Item
• 30/11/1797

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from James Latimer about a model of a horizontal windmill

• RSA/PR/GE/110/13/11
• Item
• 4/6/1762

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from James Latimer about a model of a horizontal windmill

• RSA/PR/GE/110/22/141
• Item
• 1/11/1762

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from James Littlejohns about improved windmill

• RSA/PR/MC/101/10/639
• Item
• 28/2/1788

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from James Verrier about sending a model of a windmill

• RSA/PR/GE/110/11/26
• Item
• 13/4/1761

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from J.L. about horizontal sails for windmills

• RSA/PR/GE/110/6/105
• Item
• 15/7/1757

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from J.L. about horizontal sails for windmills

• RSA/PR/GE/110/6/110
• Item
• 30/8/1757

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from John Barker about a regulator for windmill sails

• RSA/PR/MC/101/10/1671
• Item
• 20/7/1799

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from John Bowler about horizontal windmill

• RSA/PR/MC/101/10/1544
• Item
• 23/1/1796

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from John Faulkner about a mill

• RSA/PR/GE/110/22/142
• Item
• 8/1/1766

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)

Letter from John Fletcher about a model of a windmill

• RSA/PR/GE/110/8/135
• Item
• 1/4/1760

Part of Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)