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Archivistische beschrijving
Letter from Sir Joseph Senhouse about improvement of windmill vanes on sugar estates'
Letter from Sir Joseph Senhouse about improvement of windmill vanes on sugar estates'
Letter from John Bowler about horizontal windmill
Letter from John Bowler about horizontal windmill
Letter from Thomas Edwards Jnr about his improved windmill
Letter from Thomas Edwards Jnr about his improved windmill
Letter from Alexander Duncan about his improved horizontal windmill, with drawing and envelope
Letter from Alexander Duncan about his improved horizontal windmill, with drawing and envelope