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Biological Motion Pictures Schools, Universities and Learned Societies Exclusive Service VISUALIZATION is the slogan in modern school work. Almost every- thing filmable has been projected on the screen with the exception o£ biological phenomena, most of these traceable only through the microscope. Our age calls for this visualization of biological phenomena, for the purpose of education. Realization of this led to the foundation of "The Scientific Film Corporation." Its aim is to supply the needed materials for visualization in biological teaching adapted to school work of all grades, from the primary up to the purely scientific treatment of the subject in university teaching. "The Scientific Film Corporation" is in a position to guarantee accurate, reliable work through the well planned co-operation of approved technical skill and expert scientific supervision. Our laboratories in Harrison. N. Y. (New York suburban district) are equipped with the most modern installations, many of them personally devised. Our sensational novelty is the utilization of the living tissue culture in micro-cine matography. Correspondence invited in regard to rates and terms of purchase and rentals. ECONOMY: Especial attention is called to the fact that by renting our films a wonder- ful opportunity is created to show filmed and screened biology even in schools and places far removed from metropolitan centres. First Release A Microscopical View of the Blood Circulation These are a few of the features of this film: The Vascular system of the chick embryo Differentiation of the blood in centrifugal The Capillary net work in the area peliucida ,.. "". , . r , .. , ■ * -^ '- Microscopical views or the blood, showing its Arterial and Venous circulation ingredients TT- . 1 • 1 fl .■ Close up of Bone marrow, where the blood Histological reflections *^. . " originates Arterial Anastomoses Living and beating heart at close up THE SCIENTIFIC FILM CORPORATION 13 DUTCH STREET NEW YORK CITY Telephone John 1717