Unidentified photographer / artist, 17th century, Illustration of camera obscura from "Sketchbook on military art, including geometry, fortifications, artillery, mechanics, and pyrotechnics", Illustration, Private collection, LL/31738
Unidentified photographer / artist 17th century Illustration of camera obscura from "Sketchbook on military art, including geometry, fortifications, artillery, mechanics, and pyrotechnics"
Illustration Private collection The illustration is possibly by an Italian artist but this is uncertain. Further details on the source are requested.
