Black metal conversation tube, 19th century

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Black metal conversation tube, 19th century



40.5 in. long. Both earpiece & mouthpiece are 2.375" diam.

Scope and content

Black metal conversation tube with metal bell shaped mouthpiece and metal earpiece. Earpiece is equal in size to mouthpiece. Tube has ring pattern on entire length connecting the mouthpiece with the earpiece.

System of arrangement

Tray 2

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The collection is open and accessible for research.

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Preferred Citation:

Item description, Reference Code, Bernard Becker Medical Library Archives, Washington University in St. Louis.

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