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Page 18 text:
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A f 1 Left-Professor Combs and Dr. Coulter sampling one of the cheeses made in the caves on the Mississippi river banks. As a result of their work, Minnesota has become well known in the market as the producer of this particular type of cheese. Below-Interior of one of the caves showing the racks of ripening cheese. The caves must be kept at the proper tem- perature in order that the product will be of the highest quality. in the inset is the entrance to the cave. Roqueiort Experiment Under the supervision of Professor W. li. Combs a project for the manufacture of a Roquefort-like cheese has been developed in the caves along the Mississippi river. These caves are the nearest ap- proximation to the conditions of those near the village of Roquefort, France, where true Roquefort is produced from shcep's milk. I-Iumidity and tem- perature are the chief necessities for the production of a high grade of cheese. The humidity of the Minnesota caves ranges from 95 to 100 per cent, and the temperature from 49 to 52 degrees Fahrenheit. Nearly 12,000 pounds of cheese were made by the dairy division in 1935. This is the largest quan- tity of Roquefort-like cheese ever made in an expe- rimental or commercial way in the United States. Professor Combs believes there are enough caves underlying Ramsey, Hennepin, and Anoka counties to produce more Roquefort-like cheese than is now used in the United States including true Roqucfort. I-Ie also sees the possibility that in Minnesota alone, from two to four million pounds of the cheese could be produced, utilizing from 20 to 40 million pounds of cow's milk. This would approach the entire present domestic consumption of true Roquefort and Roqueliort-like cheese.
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Page 17 text:
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Dr. Stenstrom supervising the apparatus he invented with Dr. Carl Nurnberger which changes radium into radon. Device used in determining the strength Of seeds filled with radon. Dr. Vigness stands beside the lead shield which pro- tects the operator from the harmful effects of radium. Cancer Research In the world Hght against cancer Dr. K. Wilhelm Stenstrom, Professor of Biophysics, and Dr. Carl Nurnberger, Instructor in Physiology, and now in China, have invented a radium emanation machine to capture the radon gas given ofT by radium in solution. Radium itself has few beneficial proper- ties, but the gas it emanates can be safely and effectively used in treating cancer and tumor. The gas is caught in small glass tubes and attached to threads or encased in tiny gold needles, both of which are inserted at the spot of the cancer. Where- as radium has a life of 1700 years, radon retains its therapeutic powers for but a few months, losing half its strength in the first five days and the remaining in succeeding five day periods. Cancer is caused by irritations, and as a result the cancerous portion grows cells much faster than ordinary tissue. The emanations of the radon hen- ent the patient by attacking the cancerous growth. The effect of the radium is to slow up the growth of all tissue, and especially that which is diseased due to its greater susceptibility to the gas. To prevent injury while working with radium, and to ascertain the correct amount of radon to be administered to a patient, Drs. Stenstrom and Nurnbergcr have also invented an apparatus for measuring the strength of radium emanations. Fully protected by a heavy lead screen, it is pos- sible for the operator to discover the strength by turning a knob which places a radon needle in an ionization chamber. The power of the radon contained in the needle is then recorded on a scale beside the operator. 21 All
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