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Methane alarm
Oldham 'Methalarm' lamp type GT/GTL, a combined electric cap lamp/gas detector. Designed to give every miner his own gas alarm. The alarm threshold can be set between 1% and 2.5% methane and the lamp flashes as a warning.
A web site describes the device as 'a recent development' in 1986. This example we have has been made up as an 'inspection lamp' with carrying handle and appears to be a pre- production model as the production models have 'OLDHAM' stamped on the head piece. It is likely that very few (if any) were actually issued within the UK coal industry.
Collection Area
Industry
Item Number
2001.1/1175
Creation/Production
Oldham
Acquisition
Donation, 1/2/2001
Measurements
Length
(mm): 165
Width
(mm): 80
Height
(mm): 295
Weight
(kg): 2.85
Material
plastic
metal
Location
In store
Classification
health and safetyComments are currently unavailable. We apologise for the inconvenience.