2 Treffer für Drucker / Verleger = "Boysen & Maasch"

• Flight-velocity Samuelson, Arnold ; YA Pamphlet Collection (Library of Congress) Hamburg : Boysen & Maasch, 1906

• Resistance of air and the question of flying experimental lecture Samuelson, Arnold Hamburg [u.a.] : Boysen & Maasch, 1905