filters for smoke stain reflectometer

PART OF:: Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd

Made:: Halstead

Filters for model 43 smoke stain reflectometer made by Evans Electroselenium Ltd, Halstead. 23 paper filters in total, 21 used, two unsued.

Details

Category:: Electronic Components

Object Number:: Y1993.148.2

type:: filters

credit:: Gift of Bury Metropolitan Borough Council

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filters for smoke stain reflectometer

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