"A combination of time lapse cinemicrography and shooting huge factory interiors presented William Schanzenbach, ACL, with the gamut of technical difficulties in the photography of the four reel picture, The Commercial Production of Yeast. The interior shots of huge tanks and other machinery were not only adequately exposed but also were shot from attractive angles without extreme consciousness of camera angles. The laboratory sequences, in which time lapse technique was combined with work at the microscope to show the growth of yeast over a period of time, were well handled. Careful planning and clear titles add to the virtues of this exceptional industrial film." Movie Makers, Dec. 1935, 551.
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