Murer & Duroni

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Photography supply industry in Milano, Italia
Bencini | Boniforti and Ballerio | Cappelli | Nuova Closter | Ferrania | Filma | Filotecnica Salmoiraghi | GGS | G.P.M. | Industria Scientifica Ottica | Koristka | Lamperti and Garbagnati | Murer & Duroni | Officine Galileo

Teodoro Murer was a camera designer based in Milan, Italy, who made cameras with a company called Duroni. They sold cameras under the names Murer and Salex. In Sweden, the cameras were sold by Hasselblad, and in France by Gaumont[1]. The Duroni company was founded by Alessandro Duroni (1807-1870), c.1835-36, as an optical instrument dealer[2]; Murer joined the company in c.1892.

There are a number of albumen photographs in galleries credited to Murer & Duroni as photographers.[3] Since the original Duroni had died before Murer arrived, this credit must be to the company or a later Duroni. Alessandro Duroni himself is credited with a number of photographs, including of Guiseppe Garibaldi and Vittorio Emmanuele II, King of Italy 1861-78.


Detective cameras

Strut-folding cameras

  • Strut-folding plate cameras with focal plane shutter, about 1905-1930s. These are metal-bodied with leather covering. McKeown states that there are models in all the same plate sizes as the Express Newness,[4] plus stereo models for 4.5×10.7 cm and 6×13 cm plates.[5]
  • Salex Murer: miniature strut-folding camera for 40×55 mm photographs on plates or film packs.[6]
  • Sprite: a strut-folding camera for 4.5×6 cm plates or 127 roll film
  • UF (strut folder, c.1910)
  • UP-M (strut folder, c.1924)
  • SL Special
  • Stereo SL Special

Other cameras

  • Murer's Express
  • Muro (folder, 1914)
  • Piccolo (small roll-film jumelle camera, c.1900)
  • Reflex (6.5x9cm SLR, c.1920s)
  • SL (Box, c.1900)
  • Stereo Box
  • Stereo Reflex (plate stereo SLR)[7]


  1. Notes on the Express Newness SL falling-plate box camera, about 1900, for 6.5×9 cm plates, in the Collection of Elisabetta and L. David Tomei.
  2. Storia della Fotografia (Text in Italian; archived at in 2015)
  3. For example, at the National Portrait Gallery in London and at Storia della Fotografia (cited above)
  4. McKeown, James M. and Joan C. McKeown's Price Guide to Antique and Classic Cameras, 12th Edition, 2005-2006. USA, Centennial Photo Service, 2004. ISBN 0-931838-40-1 (hardcover). ISBN 0-931838-41-X (softcover). p704-5.
  5. 4.5×10.7 cm stereo strut-folding camera, about 1920, with focal plane shutter, 60 mm f/4.5 Murer Anastigmat lenses with iris diaphragm, and Newton finder attached to sliding lens cover. Sold at the first Westlicht auction, on 15 November 2002.
  6. 1922 Salex Murer camera in an exhibition Cameras: the Technology of Photographic Imaging at the Oxford Museum of the History of Science. The camera has a 70 mm f/5.5 anastigmat with helical focusing to one metre, and focal-plane shutter with speeds up to 1/1000 second. Ground-glass focusing is also possible. There is a Newton finder with the front part mounted in a sliding lens cover, like the earlier Gaumont Block-Notes.
  7. Murer & Duroni Stereo Reflex for 4.5x10.7 cm plates, with 90 mm f/4.5 Murer Anastigmat lenses and focal-plane shutter, sold at the 24th Westlicht Photographica Auction, on 23 November 2013.