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The cup I am about to describe was gotten up especially for use at the United States Public Health and Marine-Hospital Service Sanatorium for Consumptives at Fort Stanton, New Mexico. Many styles of cups had been in use at different times, but none was found very satisfactory. The hand cups were serviceable at the bedside, but the patients found them too clumsy for carrying about. They seemed to dislike the idea of always carrying a cup in the hand. The pocket flasks in use held so little that but a limited number of patients were able to use them and in addition they were continually getting out of order. Nor was there to be found on the market a cup or flask that seemed to meet the requirements any better than those already in use. What was needed was a cup that would go into the pocket and
TRASK JW. A SANITARY POCKET CUSPIDOR.. JAMA. 1904;XLIII(19):1394-1395. doi:10.1001/jama.1904.92500190002