Gas meter from atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus
- Materials:
- iron , brass (copper, zinc alloy) , stainless steel , glass , paper (fibre product) and plastic (unidentified)
- Object Number:
- 1964-21 Pt2
- :
Atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus, 1964. Remaining components consist of:- metal tube, selection of filter papers and air management unit (gas meter).