Philadelphia City Map - Matthew Albert Lotter - 1777 Revolutionary War-Era Historic Map PrintThis historic map of Philadelphia is from 1777, capturing the city in the midst of the American Revolution. Originally engraved and published by Matthew Albert Lotter, it shows colonial Philadelphias layout in remarkable detail from its orderly street grid along the Delaware River to important sites like the State House (Independence Hall). You can almost feel the late eighteenth century atmosphere, as if this very map guided the Founding Fathers