Keywords: Professor Thaddeus Lowe's Balloon Gas Generators. The U.S. Capitol in background, Washington, DC, circa 1861., 1899 - 19 - NARA - 512776.tif Local identifier 16-AD-2 Department of Agriculture Office of the Secretary Office of Information 1925 - ca 1981 Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 1899 - 1932 Record group Record Group 16 Records of the Office of the Secretary of Agriculture 1794 - ca 2003 Record group ARC 345 Joseph Abel Photographs of Washington D C compiled 1899 - 1932 Series ARC 512775 Variant control numbers NAIL Control Number NWDNS-16-AD-2 General notes Use War and Conflict Number 227 when ordering a reproduction or requesting information about this image Scope and content File unit File unit ARC yes Other versions thumb left enhanced JPEG version NARA-cooperation PD-USGov Thaddeus S C Lowe Balloon observation in the American Civil War |