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Description archivistique
Letter from Richard Grubb about his improved ladder for scaffolding
Letter from Richard Grubb about his improved ladder for scaffolding
Letter from l'Abbé Theodore Augustus Mann about study of weights and measures and work for the Academy at Brussels
Letter from l'Abbé Theodore Augustus Mann about study of weights and measures and work for the Academy at Brussels
Letter from George Marchant about his water works
Letter from George Marchant about his water works
Letter from William Meredith about machine for ramming pavements
Letter from William Meredith about machine for ramming pavements
Letter from Walter Brown about diving cape
Letter from Walter Brown about diving cape
Letter from Edward Benson about carriage to prevent highway robberies
Letter from Edward Benson about carriage to prevent highway robberies
Letter from J Cruden about his machine 'proving a vehicle of conveyance in the air'
Letter from J Cruden about his machine 'proving a vehicle of conveyance in the air'
Letter from Thomas Beath presenting a book about firearms
Letter from Thomas Beath presenting a book about firearms
Letter from William Garton about his windmill
Letter from William Garton about his windmill
Letter from John Robinson about an improved gauge
Letter from John Robinson about an improved gauge
Letter from Francis Higginson about his method of ascertaining longitude
Letter from Francis Higginson about his method of ascertaining longitude
Letter from Charles Gier White about making a rudder
Letter from Charles Gier White about making a rudder
Letter from John Beal about double swing door spring
Letter from John Beal about double swing door spring
Letters from J Weekes and the Ship Owners Society about his improvement to rudders, with a certificate
Letters from J Weekes and the Ship Owners Society about his improvement to rudders, with a certificate
Letter from James Hicks about his drag for raising drowned bodies
Letter from James Hicks about his drag for raising drowned bodies
Letter from Joseph Bulmer about rudder of ship 'Vittoria'
Letter from Joseph Bulmer about rudder of ship 'Vittoria'
Letter from Francis Dubourdrier about his method of sinking wells by means of brick cylinders, with drawing
Letter from Francis Dubourdrier about his method of sinking wells by means of brick cylinders, with drawing
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