Comprises drawings for student projects by Otto Koenigsberger, produced as part of his studies at the Berlin Technische Hochschule. The drawings consist of: a pen and ink perspective sketch of Markbreit, in Bavaria, signed and dated 30th May, 1929; a pencil and watercolour study of nautical pulleys on board a ship, entitled 'Ubena', signed and dated 26th April 1929; 2 interior perspective sketches, in ink and watercolour, signed by Koenigsberger and counter-signed by Hans Poelzig, as his tutor; an interior perspective sketch, in pencil and watercolour, initialed and dated 1930.