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Compound refractometer slide set and case
TRIAL CASES, FRAMES AND REFRACTOR HEADS
refractometer slide
Douglas & Wooldridge Ltd (Stourbridge)
Europe: United Kingdom, England, Staffordshire, Stourbridge
1890s
wood; glass
1999.2695
TRIAL CASES, FRAMES AND REFRACTOR HEADS
refractometer slide
Douglas & Wooldridge Ltd (Stourbridge)
Europe: United Kingdom, England, Staffordshire, Stourbridge
1890s
wood; glass
Set of twelve compound refractometer slides in shiny metal frames, each holding ten lenses. Each slideframe marked in dioptres and inches. Also dark wood hinged case with purple material lining on lid. Hook clasp (broken). Includes paper label, listing conversion scales, stuck to lining.
1999.2695