New roof for Academy of Natural Sciences, 19th and Race Street, Philadelphia, Pa. [graphic] / Belmont Iron Work, Philadelphia, Pa.
- February - May, 1906.
17 drawings : ink & pencil on linen.
12 drawings : ink & pencil on paper.
2 photomechanical reproductions : blueprints.
- Contained In:
- Academy of Natural Sciences of Philadelphia (Philadelphia, Pa.)