File:President Harding Electric Locomotive Cab.jpg

U.S. President Warren G. Harding in the cab of a Chicago, Milwaukee, St. Paul and Pacific Railroad ("Milwaukee Road") boxcab electric locomotive, July 2, 1923. He was riding in the cab between Sappington, Mont. and Avery, Idaho (Bob Withers: The President Travels by Train. Politics and Pullmans. Echo Point Books & Media, LLC, Brattleboro, Vermont 2017. ISBN 978-1-63561-058-1, p. 111).
One frame of a stereogram published by the Keystone View Company circa 1923. From the Library of Congress Prints and Photographs division. The data card there (http://hdl.loc.gov/loc.pnp/cph.3c02876) states "No known restrictions on publication. No renewal in copyright office"

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