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Posts Tagged ‘Coal mining’

A canary in a coal mine [da]

lørdag den 25. maj 2013
In Memory of Little Joe. Died November 3rd 1875. Aged 3 Years
A canary in a coal mine Another canary in a coal mine

In the 19th century and well into the 20th century coal miners would traditionally take canaries in cages down into the mine with them. The birds would act as an early warning system for carbon monoxide gas. When the canary stopped singing the miner would know that he had to escape the chamber he was in.

This particular yellow canary on the top photo was obviously a favoured pet as well as a working bird. Inscribed with the legend : ‘In Memory of Little Joe. Died November 3rd 1875. Aged 3 Years’