Items
Relation is exactly
Philadelphia (Pa.). Dept of Public Works
-
[CJ612ABB], Letter from Walter Seeley Mallory to William Stockman Pilling, August 17th, 1904 1904-08-17 -
[D8831ACE], Report from William Dennis Marks to Edison Electric Light Co of Philadelphia, November 20th, 1888 1888-11-20 -
[D9124AAG], Letter from William Dennis Marks to Thomas Alva Edison, February 27th, 1891 1891-02-27