Keywords: LZ1 floating on pontoons and being towed - Alfred Wolf, Plate II.png Luftschiff Zeppelin 1 LZ 1 floating on pontoons after having been drawn from shed and being towed Photographed by on Lake Constance in 1900 by Alfred Wolf<ref>Annual Report of the Board of Regents of the Smithsonian Institution Published by The Institution U S Govt Print Off 1901 Pages 217-222 Plates I to VI </ref> 27 7 1863 - 25 8 1930 Plate II from http //sureproxy com/nph-index cgi/011110A/http/books google com/books 3fid 3d-ZfeaVmliLwC Annual Report of the Board of Regents of the Smithsonian / The Year Ending June 30 1900 printed 1901 The Institution U S Govt Print Off In the public domain because the photographer died in 25 8 1930<ref>Karsten Meyer http //www alt-konstanz de/Themen/Fotografen html AWolf Frühe Konstanzer Fotografen alt-konstanz de</ref> PD-old Notes reflist LZ 1 Photographs by Alfred Wolf Airship hangars in Baden-Württemberg |