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February 15, 1919, Vol 72, No. 7 >
ARTICLE | February 15, 1919

HARMLESSNESS OF GLASS IN DIGESTIVE TRACT

George W. Corner, M.D.
JAMA. 1919;72(7):514. doi:10.1001/jama.1919.02610070052028.
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ABSTRACT

To the Editor:  —The authors of the recent excellent experimental proof of the harmlessness of glass in the digestive tract (The Journal, Dec. 28, 1918, p. 2127), and that part of the public which has been so greatly worked up over rumors of contamination of food by glass, may be equally interested to recall that this subject was one of practical interest long ago, when murder by poison was not infrequent.When Benvenuto Cellini was a prisoner of the pope in Rome in 1539, an enemy in the papal court attempted his life by the use of diamond dust in the prisoner's food. As Cellini says:In itself it is not poisonous at all; but being extraordinarily hard, its sharply pointed angles do not become rounded when it is reduced to powder, as would be the case with other stones. Only the diamond keeps its sharp edge, so that, if

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