Hollenstein Phototypo (a.k.a. Studio Hollenstein) was a phototype firm run by Albert Hollenstein and active until 1978. See various catalogs at Peter Gabor and at the Museum of Design Zurich. More info from Luc Devroye.
Contributed by (Harald) Peter Ström
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Photo(s) by Bart Solenthaler on Flickr.
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