Pneumatic-tube-system employees.
Subtitle: Hearing before the Committee on the Post Office and Post Roads, House of Representatives, Seventy-sixth Congress, first session, on H.R. 4771, 4772, 4785, 4786. March 14, 1939.
Publisher: U.S. Govt. Print. Off.
Published: 1939
Place of publication: Washington
Language: eng
Subjects: Pneumatic-tube transportation.; Postal service -- United States.
Notes: Milton A. Romjue, chairman; Thomas G. Burch, presiding.