File:Interior of a mail car, railway exhibit, Alaska-Yukon-Pacific-Exposition, Seattle, Washington, 1909 (AYP 1188).jpeg

English: Caption on image: F.H. Nowell. Official Photographer. Alaska Yukon Pacific Exposition. X2113.

Handwritten on verso: Mail Car.

PH Coll 727.758

• Subjects (LCTGM): Interiors--Washington (State)--Seattle; Alaska-Yukon-Pacific Exposition (1909 : Seattle, Wash.)--Facilities--Washington (State)--Seattle
• Subjects (LCSH): Railway mail cars--Washington (State)--Seattle

This was in the U.S. Government Building: From Participation in the Alaska-Yukon-Pacific Exposition, message from the President of the United States, transmitting the report of the United States Government Board of Managers of the government participation in the Alaska-Yukon-Pacific-Exposition, December 7, 1910; published 1911 by the Government Printing Office, p. 38:

POST OFFICE DEPARTMENT.
"The exhibit of the Post Office Department at the Alaska-Yukon-Pacific Exposition occupied 7,000 square feet on the main floor of the Government building.

"The display consisted of a complete collection of postage stamps, postal cards, and stamped envelopes of the United States, and of all stamp-issuing countries of the world ; the equipment used in handling the mails and a comprehensive exhibit of the mail transportation facilities from the dog sledge and pony express to the newest type of all-steel mail car; the history, records, and statistics of the Post Office Department, including an interesting collection from the Dead Letter Office; mutoscope machines, illustrating the various operations in handling the mails and a model post office for receiving and distributing mails on the exposition grounds. "