Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd

Made:: Halstead

Model 43 smoke stain reflectometer and filters made by Evans Electroselenium Ltd, Halstead.

Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd

filters for smoke stain reflectometer

Details

Category:: Electronic Components

Object Number:: Y1993.148

type:: measuring instrument - air pollution measuring instrument

credit:: Gift of Bury Metropolitan Borough Council

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Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd

Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd

filters for smoke stain reflectometer

Details

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