Rare 1778 Engraved map of Colonial Philadelphia after George Heap (1714-1752) and Nicholas Scull (1687-1761), published by Carington Bowles, London, 1778: AN EAST PERSPECTIVE VIEW OF THE CITY OF PHILADELPHIA IN THE PROVINCE OF PENSYLVANIA [sic] IN NORTH AMERICA, TAKEN FROM THE JERSEY SHORT. Copper plate engraving on laid paper with original hand color, 1778, First state. Watermarked "Taylor". Matted and framed under glass in a narrow ebonized frame with gilt beading. Image – 9 1/2" H (excluding text) x 16" W. Sheet – 10 7/8" H x 16 3/4" W. Framed – 17" H x 22" W. Note: This is one of the first engravings made from the original and important Heap drawing of Philadelphia, requested by Thomas Penn. It depicts the mile long waterfront as it appeared during the Revolutionary War, from present day South Street to Vine Street. A key below the image identifies 14 locations including Christ Church, the State House, Academy ___(unspecified), Presbyterian Church, Dutch Calvinist Church, The Court House, the Quakers Meeting House, High Street Wharf, Mulberry Street, Sassafras Street, Vine Street, Chestnut Street, Drawbridge, and the floating Corn Mill. Various ships crowd the busy port area. Old previous labels preserved en verso of frame backing for Kennedy & Co. Rare Prints and Schramm Galleries, Fort Lauderdale. Provenance: the estate of William Pursell, Nashville, Tennessee. CONDITION: Margins trimmed to plate mark. Hinge mounted at top, but with old paper tape adhered to other three edges. 1" repaired tear at lower left edge across large word "of". 3/4" repaired tear in water (located 1" above word "Philadelphia". 1" at upper left corner. General overall toning and acid burn.