Pneumatic tube service
Subtitle: Report of the Postmaster-general to Congress, relative to the investigation of pneumatic-tube systems for the transmission of mail, authorized by the act of June 2, 1900
Publisher: Govt. Print. Off.
Published: 1901
Place of publication: Washington
Language: eng
Number of pages: 258
Subjects: Pneumatic-tube transportation.; Postal service -- United States -- Equipment and supplies.