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Methane alarm
Spiralarm type 'M'. Similar to flame safety lamp but with red warning light beneath oil vessel. Similar to 2001.45/737 except shallower warning light, brass oil vessel and warning light holder.
Collection Area
Industry
Item Number
2001.45/738
Creation/Production
J.H. Naylor Ltd.
Date: 20th century, late
Acquisition
Purchase, 14/3/2001
Measurements
Length
(mm): 95
Width
(mm): 95
Height
(mm): 320
Material
metal
brass
glass
Location
In store
Classification
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