Materials for a Gravimetric Dust Sampler
Accession Number: 2016.phlt.1.83.1-21
A cardboard box contains a number of removable filters, filter holders, backing plates, and “miners cards” used in a Type 113A gravimetric dust sampler. The filters are packaged in various tins and cardboard holders.
The box contains the following inventoried items:
Items 2-11. Tins marked “Casella London” containing circular metal frames.
Items 12-13. “Filter frame pressings with lugs”
Items 14-21. Glass fiber filter paper with mine data card.
Primary Materials: Cardboard, metal, glass fiber
Box: Length = 15.5, Width = 20, Height = 26.5
Wilson Products Division. Reading, Pennsylvania; Casella. London, England.
Date of Manufacture: Unknown