Vintage Microscope Slide Diatom. Arachnoidiscus Ehrenbergii by R.H.Taylor

Vintage Microscope Slide Diatom. Auliscus Propinquus by R.H.Taylor

Rare Vintage Microscope Slide Diatom. Aulacodiscus Rawsonii by R.H.Taylor

Vintage Microscope Slide. Pyroxenite from Lochinver by Gregory Bottley

Vintage Microscope Slide Diatom. Triceratium by R.H.Taylor

Vintage Microscope Slide. Nordmarkite from Sutherland by Gregory Bottley

Vintage Microscope Slide. L/S of Complete Pig Embryo by N.B.S.

Vintage Microscope Slide. Tonalite from Tonale Italy by Gregory Bottley