Victorian microscopists were fascinated by the beautiful structure and almost limitess complexity and variety of the ubiquitous diatom. Almost all of the commercial mounters offered a wide selection of preparations, from strews and single specimens to ambitious and decorative arrangements of hundreds of pieces. Some preparers, such as W.A.Firth and J.D.Moller were among the first specialist "diatomists". All of the images below were taken from antique slides, most of which were prepared in the nineteenth century.

Diatom Selected 3.6
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Diatom Selected 5.5
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Diatom Selected 5.1
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Diatom Selected Zoom
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Diatom Selected 5.9
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Diatom Coscinodiscus Oelius Iridis2
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Diatom Selected 8.1
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Diatom Selected 8.6
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Diatom Selecteda1
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iDiatom Selected 5.91
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Hyalodiscus Heliger Hardman
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Diatom Selected 8.9
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Diatom Selected 4.1
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Diatom Selected 3.2
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Diatom Selected 3.8
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Diatom Selected 3.4
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Diatom Selected 3.1
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Diatom Selected a1
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Diatom Selected 9
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diatom Tricetarium Group
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Diatom Selected 1.7
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Diatom Selected 3.3
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Diatom Selected Hartley 3
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Diatom Selected 5.6
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Diatom Large Selected 1
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bacteriastrum 1
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Diatom Hartley 1
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Diatom Hydrosera
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Diatom Selected 3.5
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Diatom Best Selected BW 1
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