Original vintage optical industry trade magazine ad for CENTRAL SCIENTIFIC COMPANY of Chicago, IL. The Ingersoll Glarimeter, An Optical Instrument for Measuring The Surface Gloss of Paper, Leathers or Furniture Fixtures. Devised by Dr. L.R. Ingersoll of the University of Wisconsin with research work on paper for the United States Forest Products Laboratory. Old 1922 optical industry laboratory supplies and equipment advertisement. This ad would display marvelously matted and framed.
- SKU s230
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