The text on this page has been created from Hansard archive content, it may contain typographical errors.
22.
Mr. Woodburn
asked the Minister of Power what rules there are governing the time on any one day that canaries can be kept down pits as gas detectors; and whether they must be periodically returned to daylight conditions.
Mr. George
The use of canaries below ground in mines for detecting gas is not governed by statutory regulations.