Locomotive testing plant at Altoona, Penna
Subtitle: Superheater tests
By: Pennsylvania Railroad Company
Series: Bulletin -- no. 24; Bulletin (Pennsylvania Railroad) -- no. 24
Publisher: publisher not identified
Published: 1914
Place of publication: Philadelphia?]
Language: eng
Number of pages: 102
Subjects: Locomotives; Testing
Other titles: Superheater tests.
Notes: "Formerly Bulletin No. 7."