M.S.A. Methane Detector

M.S.A. Methane Detector.
Made from a metal alloy, plastic, glass, steel and iron. Size 9 1/2″ x 4 1/2″ x 2 1/4″ inches.

This large M.S.A methane detector was designed to be powered by a cap lamp battery with a specially designed stainless steel top with two power cable attachments (as seen in the image) one to power the methanometer and the other to power the cap lamp for the operator of the detector. 

It has harness hoops for a user to strap around his neck and lockable latches to secure the operating knobs and switches (as seen left) under the top cover.

This unit has a more angular top compared to the other one in my collection which is more rounded.

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