Powell et Lealand's microscope portatif Photo Stock - Alamy

Powell and lealand hi-res stock photography and images - Alamy

With leitz microscope hi-res stock photography and images - Alamy

With leitz microscope hi-res stock photography and images - Alamy

Microscopy image Cut Out Stock Images & Pictures - Page 3 - Alamy

Powell and Lealand Number 3 Monocular Microscope

Powell & Lealand Binocular No. 1 Microscope

Powell and Lealand's portable microscope Stock Photo - Alamy

Old brass microscope hi-res stock photography and images - Alamy

Portable microscope hi-res stock photography and images - Alamy

Powell and lealand hi-res stock photography and images - Alamy

Powell & Lealand, 170 Euston Road, London. The No.1 binocular

Powell and lealand hi-res stock photography and images - Alamy

Powell and Lealand Number 3 Monocular Microscope

Powell and lealand hi-res stock photography and images - Alamy