-40%
Platinocyanide of Magnesium Microscope Slide for Polariscope by Wheeler
$ 50.16
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Description
Platinocyanide of Magnesium Microscope Slide for Polariscope by WheelerCrimson paper mount of platinocyanide of magnesium by Edmund Wheeler (as identified by the initials "EW") with secondary label of James W. Queen & Co., 924 Chestnut St., Philadelphia.. Slide dates to late 1800's. For viewing under transmitted or polarized light.