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A $1 T.95 FEET I # INSTALLED! Cor. Nth ft H Sis. N.W. Phono Dl. 8342 Partial or complete modernization is accomplished by us In record time. No fuss or muss, just one responsibility and that is ours. Have one of our trained planners call ct your home. No obligation, whatsoever. Washington's Foremost Installers of Modem Kitchens 2443 18th St. N.W. HU. 8262 Uranium Ore Hunt Samples Pouring In By Francis P. Douglas The Nation’s great treasure hunt for uranium is pouring sam ples of what prospectors hope may win a fortune into the laboratory run by the Geological Survey at the Naval Gun Factory. The laboratory assays about 2,000 samples a month. Most of them come from the more than 100 geologists of the survey, paid by the Atomic Energy Commis sion to make a systematic search of the most likely places in the country. About 3,000 samples a year come from the public, moved either by hope of reward, the de sire to help their country, or both. Samples have come from the Maryland and Virginia hills—and a few from Washington’s back yard gardens—but no uranium discoveries have been made in these areas so far. The attitude of the scientists at the laboratory, however, is that there is always the possibility that some uranium will turn up around here or, in fact, anywhere. So, they leave no stone unturned. The prize offered is a sub stantial one. The AEC offers $3.50 a pound for recoverable uranium oxide in ores assaying at least 10 per cent. If the prospector finds an ore deposit in substantial quan tity assaying at least 20 per cent, the AEC will pay him a bonus of $10,000 on the first 20 tons, plus the $3.50 per pound. Up to now no one has qualified for the $10,000 but some deposits recently discovered may furnish orqs meeting the requirements of the bonus offer. Also there have been new finds on the Colorado plateau of camotlte ores. These are low grade ores worked orig inally for vanadium but now worked for uranium. The uranium searcher is aided by a small handbook the Atomic Energy Commission and the Geo logical Survey published. The Superintendent of Documents sells it for 30 cents. About 30,000 copies of the handbook, “Prospect ing for Uranium,” have been sold since it was first issued June 1. The handbook reader learns that some of the more common uranium minerals are black and some others are yellow. As a re sult some of the samples sent to the assay laboratory here have included such substances as cin lers, black slag and yellow clay. Some of the samples from Maryland have included sandstone stained yellow by the iron it con tains in addition to clays. Vir ginia has produced a larger va-i riety with numerous igneous rocks md rocks containing iron. There are frequent samples of nagnetite or magnetic iron ore,1 Mineralogists at the Geological Survey’s assay office at the Naval Gun Factory check part of the day’s receipts of sample ores submitted in the Nation-wide search for uranium. The office gets about 2,000 samples a month. From the left: Edward J. Dwomik, Miss Kiyoko Onoda and Theodore Botinelly. Mr. Botinelly is acting head of the mineralogy unit at the assay laboratory and Mr. Dwomik is his assistant. —Star Staff Photo. the lodestone which served as a compass for the early mariners. One such sample came from a man who was so confident he had the right stuff that he gave ex plicit directions on how to send Pirn the $10 000. Another frequent find is peg matite. It contains uranium min erals and sets up a busy clicking in the Geiger counter, but the proportion of uranium to sur rounding rock is usually so low as to make it not worth while. From the Carolinas come mo zanite sand which also is radio active. But the radioactivity is from thorium and not uranium, rhe AEC buys thorium only in small quantities for research pur poses. The Geological Survey labora tory here is only one of several as F U I T U R E • • • the that guarantees a Lifetime of Comfort! 70 years of knowing how to make fine matresses has --- gone into this Karpen Classic ... constructed to give you constant comfort for the rest of your life. 32 SPECIALLY PRICED lbs. of cotton felt—double size . . . heavy stripe tick- $942 £242 ing ... prebuilt border... 510 coils—crowned in the # ^ center... insulated pad over springs . . . rayon tape , .. .. Matching Box edges . . . ventilators to keep the mattress interior - . ■ ' springs fresh and clean . . . cord handles for easy turning. ^ A time-honored product . . . worth much more than this special price! Deferred Payments, if you wish. Mayer £» Co. . 1EVINTH STREET }<JETW|EN 0 AND « , ^Court*#* Parking la Star a! ihNa«*MMMMMMBaaaHaaaMBaMa saying samples. Others are run by the”Bureau of Mines at vari ous places around the country, in cluding College Park, Md. The AEC also has laboratories at New York and Grand Junction. Colo. But the office here says it gets the biggest load of samples. The expansion of the laboratory ■ now at the Gun Factory is indica-! tive of the increased search for uranium. Louis Pink, acting chief of the laboratory—Dr. John C. Rabbltt is chief—explained that it was started two and a half years ago at the request of the AEC. Originally there were two chem ists working in a room at the Na tional Bureau of Standards. There was expansion and several moves. Now there are i)0 persons and the laboratory occupies the sixth floor of the big supply building at the gun factory. The laboratory is officially part of the Trace Elements Section of the Geochemistry and Petrology Branch of the Geological Survey. Theodore Botinelly, acting head of the mineralogy unit, and Ed ward J. Dwornik, his assistant, joined Mr. Pink to explain the test procedure. If the samples have uranium they are radioactive. Tests with a portable Geiger counter screen out the non-uranium offerings quickly. Then the sample is crushed to a powder and its radio activity tested by a sensitive lab oratory counter. It goes to the x-ray laboratory which “finger prints" the various ores, and to the electron microscope for addi tion a 1 identification. Spectro graphic tests are made and the final, conclusive test is performed in the chemical laboratory. If there is any uranium it is found. The laboratory asks for four pound samples. It gets them in weights ranging from a fraction of an ounce to one which weighed 93 pounds. Some of them are what Mr. Botinelly and Mr. Dwor nik refer to as "mantle piece rocks”—usually polished stones which have decorated living room mantles. Some of the samples are not ores. The laboratory has received pipe fittings, other articles and The Audibon Society of the District of Columbia Announce* if* Fall-Winter Program 8 lecture* on Birds, Natural History and Conservation. First Lecture Oct. 18 Dr. John B. May, "Down the River to Perce" Xeifhborhod Bird Walks. Field Iden tification Course. Seminars on Con servation. Field trips and monthly meetings. Address inquiries to Box t02, Benjamin = Franklin Station, Washington 4, D. C. | even two dresses, size 11. The I report on the dresses rated them (good as to style and fabric, but lacking in uranium. The lab oratory decided the dresses were sent to it by mistake and sent them back—with “some com ment,” Mr. Dwomik said. He did ! not say what the comment was. Red Cross to Begin Life Saving Classes A Red Cross class in senior life saving and water safety instruc tor training will begin Tuesday. Daniel A. Leonard, director of safety services of the District Red Cross, announced yesterday. Classes will be held on Tuesdays and Thursdays from 7 to 9:45 p.m. Life saving classes are open to persons over 16 who hold Red Cross swimmers certificates or can pass preliminary tests. Water safety courses are open to those over 19 who have Red Cross swim ming and life saving certificates.1 WANTED 2500 Charge Accounts Diamonds—Watches Jewelry and Silverware Special Discount No down payment necessary. Up to 18 months to pay. PAY AS YOU GET PAID Your Call Will Bring Our Repreaentativm Livingston & Co. 1423 H St. N.W. MET. 3440—MET. 2905 All are hand decorated and le^gyiSjSTijjffi gold trimmed. Available j '-'''*?$%/'■//; in green and burgundy. Shades are rayon taffeta with °PTflLE8,pi!c.oa turban trim. Solid brass finial. Regularly priced at $29.95 Turniture S708 Georgia Ave. N. W. At New Hamvshin Ave. GE. *100 U hk. gg§. PH Ik 1 FINAL C?#J 1 DRAWINGS^*™ H for valuable :\ 'M a wM i pT^l SUNDAY! IQ, isW & I 5hoW 1 Sjf !"*'•“' \ F. J H** fl -V'V"“^‘ i furniture t - N«.r.*_ i ,„»~-srass yj iasg'SfST’®- \ inthirnC «'wbetheluc^ *'1i ■S5rt-L»rt*. »J» \ Armory, you , ^ gJAHit Shows. » F ^ —iiPlIliiSf^ ■ :,:l “ - P<:‘ "" i SEE ■ The 1950 Gallery of Homes, W loaded with Information for those f who are buying or building. SEE The $100,000 Model Railroad of the B. & O. System in operation. .Youngsters thrill over it. SEE The Potomac Craftsmen. They're geniuses at making pottery and weaving fine textiles. SEE Television Town and get up-to date on the wonders of this miracle of electronics. SEE The numerous exhibits that will give you scores of ideas on the newest trend in home decoration. SEE The original Aunt Jemima . . . and taste the flapjacks that made her a nationally famous charac ter. SEE The Fashion Show at 4 P.M. . . . and you may win an All-Expense Trip to the Waldorf-Astoria, New York. SEE The elaborate displays of glam orous kitchens and bathrooms by foremost home decorators.