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Carbon Monoxide Detector

DLSPH Occupational Health

A leather case with a shoulder strap contains an instrument made of metal rubber and glass. At one end of the instrument is a red rubber bulb used to draw air into a disposable glass indicating tube. The tube is held within the instrument’s metal frame. A knurled knob at one end of the instrument secures the indicating tube to the frame. The case also contains a paper instruction sheet and a screwdriver with a yellow handle.

Accession Number: 2016.phlt.1.101.1-3

Alternative Name:

Primary Materials: Steel, Rubber, Glass


Dimensions (cm):

Leather case: Length = 22, Width = 9.5, Height = 6.2; Instrument: Length = 4, Width = 2.9, Height = 20.5


This instrument is used to detect the presence of carbon monoxide in the air. The relative colour change in the disposable glass indicating tube shows the quantity of carbon monoxide present.

Condition: Excellent

Associated Instruments: 2016.phlt.1.99.1-2 is nearly identical.


Mine Safety Appliances (MSA). Pittsburgh, Pennsylvania.

Date of Manufacture:


Additional Information and References:

Historical Notes: