Antique Microscope Slide. New Polycistina from Barbados by W.Watson.

Antique microscope slide by Norman. "Decomposed Glass".

Antique Microscope Slide. Polyzoa

Antique microscope slide by Harry B.Thomas. T.S. Lyania? braziliensis.

Antique microscope slide. "Human Cerebellum".

Antique microscope slide by Norman. "Bisulphide of Tin". (Mosaic Gold).

Antique microscope slide by Norman. Chemical crystals. Platinocyanide of Yttria.

Antique Microscope Slide. Vegetable Ivory