A collection of approximately 300 diatom microscope slides, English, late 19th and 20th centuries,

A collection of approximately 300 diatom microscope slides, English, late 19th and 20th centuries, preparers include E. Thum Leipzig, William Gatrell, B. Harley, W. Watson & Sons, W. A. Firth, and W. A. Griffin, in 16 drawer pine case with glazed door, 15in (38cm) high Footnotes: Provenance: The Estate of the late Tony Dutton Esq QMC RMS For further information on this lot please visit Bonhams.com