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Letter from Joseph Bulmer about rudder of ship 'Vittoria'
Letter from Joseph Bulmer about rudder of ship 'Vittoria'
Letter from Isaac Uridge about his source of power
Letter from Isaac Uridge about his source of power
Letter from Henry Wilkinson about his tell-tale, with drawing and a note of the Committee's decision
Letter from Henry Wilkinson about his tell-tale, with drawing and a note of the Committee's decision
Letter from Robert Michie about perpetual motion
Letter from Robert Michie about perpetual motion
Letter from John Banks about a fountain pen
Letter from John Banks about a fountain pen
Letter from John Prior about his pendulum
Letter from John Prior about his pendulum
Letter from Richard Cubbon about a frame to answer questions in arithmetic
Letter from Richard Cubbon about a frame to answer questions in arithmetic
Letter from 'Communicator' about horizontal windmills
Letter from 'Communicator' about horizontal windmills
Letter from John Cook about his safety carriage
Letter from John Cook about his safety carriage
Letter from Samuel Ewer on his improved fire engines, with drawings
Letter from Samuel Ewer on his improved fire engines, with drawings
Letter from Robert Galloway about his mine pump
Letter from Robert Galloway about his mine pump
Letter from WX about the carriage wheels
Letter from WX about the carriage wheels
Letter from John Hunter about his model of a door to rise over carpets
Letter from John Hunter about his model of a door to rise over carpets
Letter from Ferdinand Swinden about his alarm preventing house breaking
Letter from Ferdinand Swinden about his alarm preventing house breaking
Letter from James Horn about his improved saw
Letter from James Horn about his improved saw
Letter from J de Winterfield about his ship 'to row without or with little wind'
Letter from J de Winterfield about his ship 'to row without or with little wind'
Letter from William Weston about his fire extinguisher for use on board ships
Letter from William Weston about his fire extinguisher for use on board ships
Letter from Mathieu Valett, memorial in French on logs for measuring a ship's way
Letter from Mathieu Valett, memorial in French on logs for measuring a ship's way
Letter from John Woodall about his invalid bedstead
Letter from John Woodall about his invalid bedstead
Letter from John Bowler about horizontal windmill
Letter from John Bowler about horizontal windmill