3 lead motor from Atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus
3 lead motor from Atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus, 1964.
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).
3 lead motor from Atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus, 1964.
Air management unit (gas meter) from atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus, 1964.
Components from the atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus, 1964:- metal tube, selection of filter papers.