Economical protection for pocket calculators in the laboratory - Journal

Economical protection for pocket calculators in the laboratory. Bruce P. Ronald. J. Chem. Educ. , 1977, 54 (5), p 317. DOI: 10.1021/ed054p317. Publica...
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Economical Protection for Pocket Calculators in the Laboratory

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We have found a verv, simole and effective means for orotectine the now ubiouitaus oocket calculator from the iniurious eliecLqoithe chemical lalxmtory atmosphere and irom h p p y laborauq rerhnique. A small flexilk rranapnrent p h t h y l r n r sack