Various picture I've seen of mine rescue teams and their equipment include
canary cages.
----- Original Message -----
From: "Joanne Macartney" <[log in to unmask]>
To: <[log in to unmask]>
Sent: 10 July 2000 14:23
Subject: Canaries in Coal Mines
> Recently I have had the task of looking for texts and/or internet sites
> that refer the use of canaries in coal mines for the detection of gas.
> Although the phrase "like a canary in a coal mine" is very much over
> used, I have yet to find a single reference in a mining text to the
> actual use of canaries.
>
> If anyone on this list is aware of any texts, bulletins, etc. that refer
> to the use of canaries in coal mines, it would be very much appreciated
> if you could forward this information to me. This research will be used
> to provide an historical background for animals as sentinels for the
> detection of environmental risks.
>
> Thank you,
>
> Joanne Macartney
> Research Assistant
> University of Guelph,
> Guelph, ON, Canada
> [log in to unmask]
>
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