Front:
RISS
Alied
(hemical
Back:
60
SCIENCE MUSEUM OF THE FRANKLIN INSTITUTE, Philadelphia,
Pa. H-O GAGE MODEL RAILROAD – Model H-O R. R. operates
as many as 30 different trains simultaneously.
Photo & Pub. by Joseph F. Morsello, 405 Paper Mill Rd., Phila. 18, Pa.
PHOTOGRAPHING
THE NATION
S-48498
