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Sponge Gold Microscope Slide by John H. Caswell

Sponge Gold Microscope Slide by John H. Caswell

$ 66

Availability: 100 in stock
  • All returns accepted: ReturnsNotAccepted

    Description

    Sponge Gold Microscope Slide by John H. Caswell
    Whole mount of sponge gold in deep-well metal microscope slide by John H. Caswell for viewing under reflected light. John Henry Caswell (1846-1909) was a teacher of mineralogy at the School of Mines of Columbia College, New York, and a businessman. A biographical memoir by James F. Kemp may be found in the
    Annals of the New York Academy of Sciences, volume 19, pages 353-356, 1909
    . Slide dates to late 1800s.