Inventas aut qui vitam exoduere per artes. / To the memory/ of/ Alderman William Colles/ whose steady attention to all religious and civic duties/ gained him the love of his fellow citizens/ and/ whose ingenuity/ procured him the admiration of strangers. / By an uncommon genius he discovered/ and/ by unwearied application and patience he perfected/ the art/ of sawing, boreing and polishing marble by water mills/ which/ by lowering the price of that valuable manufacture/ rendered it more extensive. / His whole life/ was employed in works beneficial to Society./ His manner was inoffensive and his conduct always upright. /He died the 8th day of March 1779 in the 68th year of his age/This Monument was Erected by his Afflicted Son William in/Testimony of his reverence to the memory of so excellent a Father.
This is a large classical type monument, the pediment is supported by plain Doric columns on entablature with a projecting cornice.