Accessories for Siedentopf Cardioid Ultramicroscope by Carl Zeiss, Jena, with booklet Accessories for Siedentopf Cardioid Ultramicroscope by Carl Zeiss
Jug-handle monocular microscope no.45144 by Carl Zeiss, Jena, fitted with one Cooke objective no.13491 and one Buoca objective no.42387 in triple nosepiece, and with three eyepieces by Carl Zeiss, Jena, and one by Winkel-Zeiss, Gottingen, in fitted wooden case with label of Clarkson's Optical Stores, London Jug-handle monocular microscope no.45144 by Carl Zeiss