Word: giycerin
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Dates: during 1950-1959
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...more of these (each about one four-thousandths in. in diameter) in a cubic-millimeter droplet of blood. It has always been easy to separate them, and recently a method of freezing them in glycerin was perfected. The trick is to get them out of the giycerin undamaged, and that has taken hours of complex effort...
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