Pneumatic tube mail service.
Subtitle: Hearing before a subcommittee, Eightieth Congress, second session, on S. 1426, a bill to authorize certain administrative expenses in the Post Office Department, and for other purposes. March 29, 1948.
Publisher: U.S. Govt. print. off.
Published: 1948
Place of publication: Washington
Language: eng
Number of pages: 56
Subjects: Pneumatic-tube transportation; Postal service -- United States.