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The large RCA transmitter is mounted on an eight- inch platform of concrete which "floats" on slabs of cork three inches thick. This cushion protects apparatus from the ship's vibrations. Two other smaller transmitters for general communications purposes radiate their signals from fixed triangular antennas on the flight deck. In another cargo hold are the Diesel engines which are capable of generating 1,500,000 watts of electric power for all the transmitters aboard the Courier. The floating broadcaster will pick up programs from land-based transmitters of the "Voice of America" and President Truman inspects some of the extensive radio equipment aboard the Courier. One of the helium-filled balloons is inflated on the flight deck of the Courier during a test of the vessel's 150 k.w. transmitter, supplied by RCA. retransmit them, either directly or by the intermediary means of tape recorders, into the desired areas. The Coast Guard crew of SO, many of them highly trained radio technicians, is commanded by Captain Oscar Wev, a transport commander in the Pacific during World War II. Color T\' in Biology Research A new use for color television which adds another dimension to biological research was described to the Institute of Radio Engineers on March 4, by Dr. V. K. Zworykin, L. E. Flory and R. E. Shrader, of the David SarnofI Research Center at Princeton, N. J. In a paper prepared jointly by the three scientists, they said that the use of color television will enable the biologist to obtain more information about microscopic specimens than with present methods. The development was made possible by hooking up an RCA tricolor picture rube to a sensitive new ultra- violet vidicon camera which is mounted over a micro- scope trained on the specimen. The absorption of ultraviolet light by the tissues of the specimen differs among them. By arbitrarily assigning different colors to the tissues, the biologist can make them emerge with individual clarity. This method supplants the old system of staining the tissues. The new technique adds color artificially to cells or tissues by translating different wave lengths of invisible light into electronic energy. This energy is then trans- lated into rhe three different primary colors on a color television picture tube. A specimen or thin slice of tissue which, to the human eye, appears colorless and flat through a micro- scope can then be viewed on a television screen as a dynamic picture in color. Some of the electron tubes which supply energy for the powerful broadcasting transmitters on the Courier.