th the the new principle which is the basis of his perfected red rays, the latter requiring the longest time. The methods, and by the application of which he then first SECTIONAL PLAN OF TRI-COLOR CAMERA. plate holder, made of special length to fit the camera, demonstrated the possibility of… … the screens is shaded red, blue or green will appear. the taking and viewing color screens, and his viewing THE KROMSKOP TRI-COLOR VIEW CAMERA. The red screen is located just above thé viewing lens, device was so crude and imperfect that there is no on the next step to the right is the blue-violet…
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