The curator is indebted to and has quoted from the following scholarly sources: Buchhart, Dieter, et. al., Edvard Munch: Signs of Modern Art, (exhibition catalogue), Fondation Beyeler, Basel, 2007; Chang, Alison W., Negotiating Modernity: Edvard Munch’s Late Figural Work, 1900-1925, unpublished Ph.D. dissertation, The University of Pennsylvania, 2010; Eggum, Arne, Munch and Photography. New Haven: Yale University Press, 1987; Frizot, Michel, “L’âme, au fond: L’activité photographique de Munch et Stringberg,” in Lumière du monde, Lumière du ciel, Visions du Nord, (exhibition catalogue), Musee d'Art moderne de la Ville de Paris, 1998; Holt, Cecilia Tyri, Edvard Munch Fotografier, Forlaget Press, 2013; Kermabon, Jacques, et. al., Pathé: Premier empire du cinéma (exhibition catalogue), Centre Georges Pompidou, Paris, 1994; Lampe, Angela and Clément Chéroux, et. al., Edvard Munch: The Modern Eye, (exhibition catalogue), Tate, London, 2007; Woll, Gerd, Edvard Munch: Complete Graphic Works, Oslo: Orfeus Publishing AS, 2012.
Munch took most of the “selfies” at Ekely using this model. First produced from 1900 to 1915, and then with variants issued though the early 1940s, it was a camera that, like the No. 3A, could be operated by direct touch or via a pneumatic release.