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Letter from James Dutton about making brooms
Letter from James Dutton about making brooms
Letter from J Baker about portable chair and other inventions
Letter from J Baker about portable chair and other inventions
Letter from Thomas Balls about pentagraph horse hoe, with drawing
Letter from Thomas Balls about pentagraph horse hoe, with drawing
Printed certificates on Nathaniel Bayle's triangular harpoon
Printed certificates on Nathaniel Bayle's triangular harpoon
Letter from William Baker about his manometer
Letter from William Baker about his manometer
Letter from JD about steam engine and still
Letter from JD about steam engine and still
Letter from John Bourne about exercising machine
Letter from John Bourne about exercising machine
Letter from Edmund Leach about machine for inland navigation
Letter from Edmund Leach about machine for inland navigation
Letter from Nicholas Bellew about perpetual motion
Letter from Nicholas Bellew about perpetual motion
Letter from Benjamin Powles about his invention
Letter from Benjamin Powles about his invention
Letter from 'The Inventor' about increasing power of candles
Letter from 'The Inventor' about increasing power of candles
Letter from Edward Dunn about his new invented bridle
Letter from Edward Dunn about his new invented bridle
Letter from JB about archimedes screw pump
Letter from JB about archimedes screw pump
Letter from D M Keele about horizontal water wheel with drawing
Letter from D M Keele about horizontal water wheel with drawing
Letter from Richard Grantham about his improvements to ships' pumps
Letter from Richard Grantham about his improvements to ships' pumps
Letter from William Cole enquiring if Mr Edmund Bunting's patented invention will affect the Society's offer of a premium for preventing horses from turning round in mills
Letter from William Cole enquiring if Mr Edmund Bunting's patented invention will affect the Society's offer of a premium for preventing horses from turning round in mills
Letter from H Dalby about Mr Price's panometer
Letter from H Dalby about Mr Price's panometer
Letter from James Simpson about Mr Marshall's 'intenaco'
Letter from James Simpson about Mr Marshall's 'intenaco'
Letter from J E McDonall about his machine
Letter from J E McDonall about his machine
Letter from G Thurnell about a water meter
Letter from G Thurnell about a water meter