| Library Company of Philadelphia Wainwright Lithograph Collection |
| 33-2. | Alfred Jenks & Sons Machine Works, Bridesburg. / (Philadelphia: F. Bourquin & Co. Lith., 1857). 10 x 16 cm. (3.75 x 6.25 in.) Illustration in Edwin T. Freedley's Philadelphia and its Manufactures (Philadelphia: Edward Young, 333 Walnut Street, 1858), opposite page 301. |
| For reference only. Permission to reproduce must be secured from the Library Company of Philadelphia. |