MIRROR BOX. PRISM BOX. OUR MIRRORS are optically correct in planeness, have a thick deposit of silver, and a brilliant polish. are of annealed colourless glass, of OUR PRISMS correct angle and perfect optical planeness, with highly-polished surfaces, and brilliant silvering. They are accur-ately…
Color photography · Color printing
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
