Ein Vortrag gehalten im Saale der Sing-Akademie zu Berlin am 25. Januar 1908. Small ink ownership stamp to the title page, bookplate of the historian Fritz Strahlmann to the front pastedown, a little light browning, otherwise very good bound in contemporary cloth-backed boards, MS paper label to spine, just a little rubbed. 31pp. 1p. ad. Stuttgart & Leipzig, 1908.
Katalog der Zentralluftfahrtbücherei p.156. Important founding text, and relatively uncommon, OCLC locates six copies, KVK eight, including the LSE and Library of Congress.
