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Methane alarm
Normal Ringrose methane alarm but probably used in sewer work. Battery still enclosed.
Collection Area
Industry
Item Number
2001.45/721
Creation/Production
TGD Limited
Date: 20th century, mid
Acquisition
Purchase, 14/3/2001
Measurements
Length
(mm): 115
Width
(mm): 115
Height
(mm): 270
Material
metal
glass
plastic
Location
In store
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