拍品專文
Publications include: The 250-exposure Leica camera (November 1935, no. 7454a), Standard Leica (December 1932, no. 7278), Leica lenses (January 1935, no. 7345), Wide angle Hektor f/6.3 of 2.8cm. focus (July 1935, no. 7568), three editions of Telyt f/4.5, 8" focus (July 1935, no. 7567; October 1936, no. 7567a; December 1937, no. 7567b), Thambar f/2.2 of 9cm. focus (April 1937, no. 7675), Xenon f/1.5 5cm focus (London 2-10738), A Chat (November 1933, no. 7380), two editions of The Interchangeable Leica lenses (January 1934, no. 7381; October 1937, no. 7615a), three editions of Special View-Finders (November 1935, no. 7327a; October 1936, no. 7327b; September 1938 no. 7327c), Range-Finders (September 1936, no. 7574a), two editions of Leica Stereo Front Attachment (September 1931, no. 7155; April 1936, April 1936, no. 7428a), four editions of Auxilliary Reproduction Devices (April 1933, no. 7207a; April 1935, no. 7207b; March 1936, no. 7207c; September 1938, no. 7207d), two editions of Copy Equipment, March 1935, no. 7485; July 1937, no. 7485a), two editions of Developing and Printing Appliances (January 1934, no. 7378; September 1937, no. 7378b), Spiral Developing Tank (August 1938, no. 7805), Daylight Developing Tank (London 3-10738), two editions of Enlarging Apparatus (July 1931, no. 7040; December 1937, no. 7040c), two editions of Focomat (January 1936, no. 7612; April 1937, no. 7612a), Printing Boards (December 1935, no. 7303a), Voturn with reading desk (October 1938, no. 7433c), Reproduction Film Holder (September 1938, no. 7811), Combined enlargibg and projecting apparatusOctober 1936, no. 7433b), Small projectors (January 1936, no. 7622), Leica accessories (March 1934, no. 7402), Accessories for the Scientist (August 1933, no. 7298), A Leica Accessory for Single Exposures (May 1935, no. 7562), Filters (December 1935, no. 7613), Remote shutter release and film winding device (August 1935, no. 7587), Film Winder (December 1935, no. 7561a), The Optical Near-Focusing Device for the Leica (June 1936, no. 7652), two editions of Flashlight attachment for the Leica (February 1936, no. 7625; July 1937, no. 7625a), ), Leicafilm Tank (July 1939, no. 7823), Panoramic Tripod Head (February 1936, no. 7540a), Slow-speed attachment (October 1934, no. 7481), Delayed action release (September 1938, no. 7806), Leica Motor Instructions for Use (January 1939, no. 7827), two editions of Large printer for Leica Lantern Slides (May 1933, no. 7323; August 1936, no. 7323b), ), two editions of Instructions...for Large Lantern Slides (August 1935, no. 7384a; August 1936, no. 7384b), Lens Tables (February 1939, no. 7427c), First Principles for Leica Users (October 1938, no. 7611a), Instructions for use...Focomat (August 1937, no. 7447a), Universal View-finder for Sub-Standard Cine-Cameras (April 1934, no. 7409) and Leitz Cinematograph Lenses (September 1936, no. 7653); Photo-Objektive (April 1933, no. 7188c), Leica Objektive (April 1934, no. 7345), Hektor f=2,8cm/1:6,3 (November 1937, no. 7537a), Xenon f=5cm 1:1,5 (November 1937, no. 7751), Xenon-Objektiv (no reference), Summitar f=5cm 1:2 (Juli 1939, no. 7869a), Summitar f=5cm 1:2 (Februar 1940, no. 7869b), Telyt f=20cm/1:4,5 (Mai 1935, no. 7555), two editions of Telyt f=20cm 1:4,5 (März 1937, no. 7555c; mai 1937, 75600a), Telyt Fernobjektiv (Juli 1940, no. 7555e), two editions of Ein Zwiegespräch (July 1933, no. 7332a; Dezember 1933, no. 7332b), two editions of Die auswechselbaren Leica-Objective (August 1933, no. 7333; November 1933, no. 7333a), Leica Objektive (Juni 1935, no. 7333b), Drei Freunde... (September 1935, no. 7575), In Ihre Hände eine Leica (Juni 1938, no. 7760), Photographische Objektive (Mai 1937, no. 7188d), Leitz Summitar 5cm f:2 (no reference), Universalsucher (1953, no. 8530), Ein Leica-Zusatzgerät für Einzelaufnahmen (December 1934, no. 7416a), Der Leica Stereo Vorsatz (Juli 1931, 7082a [Schw.Frs]), another (no reference), Filter (August 1937, no. 7592c), two editions of Panorama-Stativkopf (Mai 1934, no. 7379a; Juli 1935, no. 7379b), Selbstauslöser (April 1938, no. 7778), Aufspuler (Oktober 1935, no. 7534a), Optisches Naheinstellgerät für die Leica (Februar 1937, no. 7641a), Fernauslöser und -aufzug zur Leica (Juni 1935, no. 7570), three editions of Universalsucher für...Kino Kameras (Dezember 1933, no. 7386; August 1934, no. 7386a; September 1934, no. 7386b), five editions of Spezialsucher (April 1933, no. 7251a; November 1933, no. 7251b; März 1935, no. 7251c; November 1935, no. 7251d; Juni 1937, no. 7251), Blitzlichtausløser (August 1936, 7531a), three editions of Entwicklungs und Kopier (Juli 1933, no. 2418f; August 1934, no. 2418g; Dezember 1937, no. 7758), Spiral-Entwicklungsdose (Juli 1938, no. 7792), Tageslicht Entwicklungsdose (April 1938, 7772), three copies of Großer Diapositiv-Kopierapparat (März 1933, no. 7294), two similar (September 1934, no. 7294b; März 1937, no. 7294d), three editions of Vergrösserungs-Apparate (Dezember 1932, no. 2451e; Oktober 1933, no. 2451f; Februar 1935 no. 2451g), Vergrößerungs-Apparate (September 1936, no. 2451k), Focomat Automatische scharf (August 1934, no. 7377a), Aktina Speziallampe (Januar 1935, no. 7499), Kombinierter Vergrößerungs... (Februar 1934, no. 7396), Kopierrahmen (März 1933, no. 7318), Veriabler Vergrößerungsapparat (März 1934, no. 7408), three editions of Focomat (August 1934, no. 7426a; August 1935, no. 7426b; August 1936, no. 7426c), Voturn (März 1939, no. 7396c), Focomat Ia (Juni 1940, no. 7826a), Focomat (August 1936, no. 7377c), Vergrösserungs-Appatate (April 1940, no. 7891 and Valoy II (1955 no. 17-3).