Scientific discoveries of the greatest magnitude, including a discussion of the world's most powerful microscope recently perfected after fourteen years effort by Dr. Royal Raymond Rife of San Diego, were described Friday evening to members of the medical profession ... at a dinner given by Dr. Milbank Johnson in honor of Dr. Rife and Dr. Arthur I. Kendall, head of the department of research bacteriology of the medical school of Northwestern, University, Chicago. Through the use of Dr. Rife's powerful microscope ... Dr. Kendall said he could see the typhoid Bacillus in the filterable or formally invisible stage. It is probably the first time the minute filterable organisms ever have been seen. Dr. Rife, who has been working alone in San Diego for more than fourteen years, told of his development of the superpowerful microscope and demonstrated it to the guests. The strongest microscopes now in use magnify between 2001 the 2500 times. Dr. Rife, by and ingenious rearrangement of lenses, applying an entirely new optical principle and by introducing double quartz prisms and powerful illuminating lights, has devised a microscope with a lowest magnification of 5000 diameters and a maximum working magnification of 17,000 diameters. The new microscope, scientists predict, also will prove a development of the first magnitude. Dr. Johnson's guests express themselves as delighted with the visual demonstration and heartily accorded to Dr. Rife and Dr. Kendall a foremost place in the world's rank of scientists.