Cattle trocars, c 1870.
2 9 c m
actual image size: 32cm x 21cm

Cattle trocars, c 1870.

© Science Museum / Science & Society Picture Library


Instruments used for venting accumulated gas in cattle. The sharp point allows the hide to be pierced without any pre-incision. A cannula is left in place after insertion to allow the gas to escape.

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