Out Of The Blue Artifacts A Library of a lifetime of collecting
A Miners Methaneometer Gas Testing Bulb.
M.S.A General Purpose Mines Safety Appliances Co Ltd.
Made from rubber and stainless steel. Size bulb is 4″ x 2″ inches.
Used with the methaneometer gas tester.
A Miners Methaneometer Gas Testing Bulb.
M.S.A General Purpose Mines Safety Appliances Co Ltd.
Made from rubber and stainless steel. Size bulb is 4″ x 2″ inches.
Used with the methaneometer gas tester.