| Unidentified illustrator [A Photographie-Automaten "Bosco"] n.d. Illustration Internet - Original source ill-defined Source requested LL/92148 For background see: Ira Alaeva, 2015/2016, Bosco Automat von Conrad Bernitt/ about Bosco photographic automate, (Hochschule für Technik und Wirtschaft, HTW Berlin)
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