An extremely rare type slide of Russian diatoms with original handwritten list, by one of the most highly regarded twentieth century diatomists, John Albert Long (d.1944).
The slide, specimens and mountant are in perfect condition.
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Antique Microscopes has been trading in scientific antiques since 1998, during which time we have often sourced rare items for world-class collections and institutions worldwide. Our speciality is in early English achromatic microscopes and Victorian microscope slides