current from the mains. But it was not necessary merely to conceive the Notwithstanding the power of this light, the images with respect to the focus of the lens, and the position means of overcoming these difficulties; it was neces- of the latter as regards the film, depend on considera- are not… … Fig. 4.—LIGHTING APPABATUS. F.g. 1.—THE PHOTOBAMA—AN APPABATUS FOB PAN0BAMIC A. 90-ampere Mangin searchlight. B. Condensing lens. C. Lens forming parallel rays. D. Water tank. E. Mirror P. Pipe PICTUBES. leading down to film.
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