Ephemera › HS 3854 - Invoice from Isaac Hill & Son, Patentees of Cold Sawing Machinery, St. George's Engineering Works, Wood's Lane, Derby 1906 Image 1 of 1 HS 3854 - Invoice from Isaac Hill & Son, Patentees of Cold Sawing Machinery, St. George's Engineering Works, Wood's Lane, Derby 1906 £34.00 Vignette engraved by Watkinson, Manchester. Joseph Hill, Proprietor. Add To Cart Added! Vignette engraved by Watkinson, Manchester. Joseph Hill, Proprietor.