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Primary SourcesHenri Ferdinand van Heurck, Henri van Heurck, Wynne Edwin Baxter, A Treatise on the Diatomaceae: Containing Introductory Remarks on the Structure, Life History, Collection, Cultivation and Preparation of Diatoms, and a Description and Figure Typical of Every Known Genus, as Well as a Description and Figure of Every Species Found in the North Sea and Countries, trans. Wynne Edwin Baxter (1896), 30 (mentions Algensucher microscope as useful to diatomist.)
ProvenanceDr. Milton D. Heifetz, Cambridge, MA, gift to CHSI, 1998.