William Henry Maddock William Henry Maddock was a printer, engraver and lithographer in Plymouth and appears to have been active from circa 1848 to the mid-1880s. His only known publishing venture would seem to be the map below, dated 1848, and there may have been a reprint in 1853 (see Brockett). Although there is no address on the map below, Maddock was at 32 Frankfort Street 1852-56 but in 1890 the address was 86 Treville Street. He seems to have been a specialist lithographer and as well as printing the three maps listed below also printed two for John Heydon of the same area; he also lithographed a map of Exeter for Jewitt - a Plan Of The City Of Exeter appeared in a guide book to the Agricultural Exhibition in Exeter in 1850 (published by H. J. Wallis, Exeter, and R. Lidstone, Plymouth) and which bears the signature of Maddock & Balderston Lithographers, 17, Bedford St Plymouth ; and a Map Of Salcombe, Kingsbridge, And Surroundings for James Fairweather ...