which operates the blow-off the table outside the box. ing faintly visible near the edge of the opening at the valve, B, of a pipe communicating with a blower serv- Now all the experiments can be repeated with the back, and fading away to dead black inside the camera. Place a sheet of white paper… … which steam is supplied by the put the red tinterin place. Put pipe, J. The air conveyed by a red paper or red flower in the the pipe, Z, and the naphtha fed by the pipe, H, and blue paper appears a wonderful purple, green is a camera. It appears a deeper red. Now remove the volatilized by the…
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