000 SHUTTER. horse-power available from the fall. This is to be BT J. IRVING TRACY. A modern photographic camera is usually fitted raised to 16,000 horse-power by future hydraulic work. In order to avoid the trouble which might arise from with an automatic shutter, which opens for a specified… … cured by transformers having graphed, the product of the water circulation. number of waves by the period METHOD OF DETERMINING THE SPEED OF A PHOTOGRAPHIC SHUTTER.
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