Word: filterers
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Dates: during 1930-1939
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...mosaic disease in tobacco, found that it weighs 17,000,000 units (TIME, Nov.15). A rabbit wart virus was found to weigh 20,000,000 units, a horse encephalitis virus 25,000,000. Even these monster molecules are so small that they pass through the pores of a fine filter...
...discovered during the War by a British medical officer named Frederick William Twort, who was preparing vaccines. When he stained one of his germ colonies he found nothing but the wreckage of dead bacteria. Whatever it was that killed them was able to pass in solution through a fine filter and then infect other colonies. Felix d'Herelle, a Canadian studying at France's Pasteur Institute, found that another kind of phage was fatal to the dysentery bacillus, and that dysentery patients treated with it showed improvement...
...lives a quiet bachelor's life in Chester Springs, collects old Italian bronze and French porcelain, permits no telephone in his house. At his ground-floor laboratory in Philadelphia he good-humoredly allows an impertinent squirrel to come in by the window, make off with chocolate bars and filter paper. Squirrels, however, are not Dr. Seifriz' favorite pets. On a far greater favorite of his he last week performed an experiment with extraordinary results...
...family, suave, blond Count Cippico is a close friend of Arthur Davis, chairman of the board of Aluminum Co. of America. Both men are heavy smokers and some three years ago they got to discussing some means of eliminating nicotine. Mr. Davis thought of an aluminum holder with a filter of activated alumina, an absorbent much used in chemistry. This proved too expensive, but in the experiments Aluminum Co. Chemist R. B. Derr noticed that butts of the cigarets in contact with aluminum were always soggy and black with absorbed nicotine and tar. This was because tobacco is itself...
...weeks ago began distributing black aluminum holders in several sizes at $1 and $2 each. By last week Zeus holders were selling like hot cakes. Most convincing evidence of the gadget's merit lies in the using. Commented Esquire: "After you smoke a pack, take out the cigaret filter and be thankful that what you see is in the filter...