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January 19, 1918


JAMA. 1918;70(3):156-157. doi:10.1001/jama.1918.26010030003009g

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A is a bottle one-half or two thirds full of water and containing two glass tubes, one reaching beneath the surface of the water, the other short, inserted in a two-holed rubber stopper. To the short tube is attached rubber tubing (with a glass insert) connecting with the aspiration needle through specimen bottle C. To the long glass tube is attached a long piece of rubber tubing.

B is a glass vessel into which extends the long rubber tubing from vessel A.

C is a small specimen bottle interposed between the chest and A by means of glass connecting tubes.

The tube is clamped at 1. Then some fluid from bottle A is aspirated by mouth at 2, so that siphonage can be started into vessel B, which is situated at a lower level (for example, bottle A on a table, and vessel B on the floor).

As some of

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