| Creator | Aero Service Corporation, photographer. | 
   
      | Title | William Cramp & Sons shipyard, Delaware Avenue and Cumberland Street, Kensington, Philadelphia. [graphic]. | 
   
      | Publisher | PA. Philadelphia. 1921-1927 | 
   
      | Date | ca. 1921-1927 | 
   
      | Physical Description | 4 negatives : glass ; 21 x 25 cm (8 x 10 in.) | 
   
      |  | 1 negative : glass ; 10.5 x 13 cm (4 x 5 in.) | 
   
      | Description | Aerial views of William Cramp & Sons shipyard and shipbuilding facilities located on the waterfront in the Kensington neighborhood
         of Philadelphia along the Delaware River. The yard was open from 1830-1927. It reopened briefly in 1941 to produce warships.
         This set of images includes distant views showing the entire facility from a higher altitude as well as close-up views showing
         ships, railroad tracks and other details of the industrial site and adjacent neighborhood. Images probably taken 1921 [1468],
         1926 [5571, 6646, 6558] and 1927 [7336]. | 
   
      | Notes | Negative numbers: 1468, 5571, 6646, 6558, 7336. | 
   
      |  | Record revised with information supplied by former Aero Service employee Carl H. Winnefeld, Jr. | 
   
      | Subject | William Cramp & Sons Ship and Engine Building Co. | 
   
      |  | Cramp Shipbuilding Company | 
   
      |  | Boat & ship industry -- Pennsylvania -- Philadelphia. | 
   
      |  | Boat & ship companies -- Pennsylvania -- Philadelphia. | 
   
      |  | Waterfronts -- Pennsylvania -- Philadelphia. | 
   
      |  | Vessels | 
   
      | Geographic subject | Kensington (Philadelphia, Pa.) | 
   
      |  | Delaware River (N.Y. - Del. and N.J.) | 
   
      |  | Cumberland Street (Philadelphia, Pa.) -- 2800 block -- East. | 
   
      |  | Delaware Avenue (Philadelphia, Pa.) -- North. | 
   
      | Genre | Glass negatives -- 1920-1930. | 
   
      |  | Aerial photographs -- 1920-1930. | 
   
      | Location | Library Company of Philadelphia| Print Department| Aero Service [P.8990.1468; P.8990.5571; P.8990.6646; P.8990.6558; P.8990.7336] | 
   
      | Accession number | P.8990.1468 | 
   
      |  | P.8990.5571 | 
   
      |  | P.8990.6646 | 
   
      |  | P.8990.6558 | 
   
      |  | P.8990.7336 |