An oxygen mask that is flexible and disposable with a perpendicular white plastic nose piece, a ring of perforations at each side, a metal "V" nose strip at the top, and a green elastic head band. The mask comes with a 208 cm clear plastic tube and reads "Pat. No. 2843121".
These overalls were worn at the Synfuel synthetic petrol and methanol plant at Motunui during the 1980s.
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