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Antonio Sorgato
Photographer Carlo Ponti (c. 1823-1893) with his Megalethoscope, a form of early projector, capable of producing day or night views of the same image
n.d.
Carte de visite
National Museums Scotland
History of Science, Howarth-Loomes Collection, Museum Reference: IL.2003.44.4.459
LL/68273
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LuminousLint 
@LuminousLint