This is the delicate machinery being installed beneath the Arlington Ampitheater which will amplify the President's voice one thousand billion times when he makes his address on Armistice Day in honor of America's Unknown Warrior
Summary
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1905
Contributors
Harris & Ewing, photographer
Source
Library of Congress
Copyright info
No known restrictions on publication.