TY - BOOK AU - Ardern,L.L. TI - John Benjamin dancer: instrument maker optician and the orginator of microphotography U1 - 778.315 PY - 1960/// CY - London PB - Chaucer House KW - Microscopy KW - Photomicrography KW - Photography KW - Scientific applications KW - Optics KW - Atlases ER -