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Powell and Lealand Number 3 Monocular Microscope

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

Powell & Lealand No 1

Powell & Lealand, 4 Seymour Place, Euston Square, London. Early

Powell and Lealand Number 3 Monocular Microscope

Powell & Lealand Binocular No. 1 Microscope

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Old microscopes hi-res stock photography and images - Page 3 - Alamy