THE POWELL & LEALAND No 1
MAKER: POWELL & LEALAND
DATED: 1874
SIGNED ON THE ARM: Powell & Lealand, 170 Euston Road, London
and also dated 1874
Authors: Jurriaan de Groot & Barry Sobel
Editor: Joseph Zeligs
View of a Human Kidney Glomerulus as viewed through the Powell and Lealand 1/4 inch objective (Mason Trichrome Stain, slide courtesy of Arkana Labs).