. Moving pictures : how they are made and worked. U a.— « ^ -as £-5 2 < rt « a. [Copyright, Fat he Freres. I tNEMATOGRAPH FILMS Ol- MICROBES. The phenomenon of agglutinationin a fowls blood. 2. The blood of a fowl suffering fromSpirocliwta gallinarum. xiv MOVING PICTURES OF MICROBES 165 concentrated beam of light would kill the microbes withina short space of timej a glass cell is inserted outside thelantern through which the focussed beam of light is stream of cold water is circulated continually throughthis water condenser, thus absorbing the greater propor-tion of the heat conta
. Moving pictures : how they are made and worked. U a.— « ^ -as £-5 2 < rt « a. [Copyright, Fat he Freres. I tNEMATOGRAPH FILMS Ol- MICROBES. The phenomenon of agglutinationin a fowls blood. 2. The blood of a fowl suffering fromSpirocliwta gallinarum. xiv MOVING PICTURES OF MICROBES 165 concentrated beam of light would kill the microbes withina short space of timej a glass cell is inserted outside thelantern through which the focussed beam of light is stream of cold water is circulated continually throughthis water condenser, thus absorbing the greater propor-tion of the heat contained in the ray of light, withoutaffecting its luminosity in any way. It will be observedthat this is a reversion to the first projecting systemevolved by the firm of Lumiere for the cinematograph. In order that the organism under photography shouldnot be subjected to the action of the light any longer thanis necessary, a revolving disc, or shutter, is placed betweenthe microscope and the lantern. This shutter is fittedwith opaque sectors or blades, corresponding to those inthe
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