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Camera Obscura box18thCentury - Public domain print
An artist drawing from life with an 19th century camera obscura, labeled: B (lens), M (mirror), O (line of light if mirror not in way). The artist used thin tracing paper to capture the outlines, transfered t... More
Camera obscura2 - Early photography, Public domain image
Illustration of camera obscura from "Sketchbook on military art, including geometry, fortifications, artillery, mechanics, and pyrotechnics"
Adolph Glasbrenner Guckkästner - Early photography, Public domain imag...
Illustration to Adolph Glasbrenner's Guckkästen (Kinder an einem Guckkasten) Public domain photograph related to German history, free to use, no copyright restrictions image - Picryl description