£100 - £150
A GRANT OF PATENT FOR A 'NEW FORM OF PADDLE WHEEL' SIGNED BY GEORGE IV, 1828
written over a folded sheet of laid paper watermarked for 1827, the first side signed George R, granting William and James Stead of York who have invented a Paddle Wheel upon a new or improved Principle for propelling Steam Packets and other Vefsels which they conceive will be of Public Utility.. the centre with copperplate printed form annotated in the same hand and dated for 3rd November 1828, the back numbered '210' and inscribed William Stread et al / Invention / Clause Navy / ['not' struck through ] stamped / Abbott, blind stamp impression for 'One Pound Ten Shillings' in margin -- 12¾ x 8in. (32.5 x 20cm.)
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