"The Trial of Richard Arkwright for an Invention of certain Machines", Hughes & Walsh, London 1785.

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The Trial of a Cause Instituted by Richard Pepper Arden, Esq; His Majesty's Attorney General, by Writ of Scire Facias, to Repeal a Patent Granted on the Sixteenth of December 1775, to Mr. Richard Arkwright, for an Invention of Certain Instruments and Machines for preparing Silk, Cotton, Flax, and Wool for Spinning. Hughes & Walsh, London, 1785; tall quarto, contemporary boards, quarter-leather, rebacked in fine modern calf with gilt title; boards worn at front corners; large fold-out engraving of Arkwright's Machine at rear with some foxing; good clean text; 191pp