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THE ORIGINAL FORM OF 'NEW MICROSCOPE' OF POWELL & LEALAND

MAKER: POWELL & LEALAND

MODEL: 'NEW MICROSCOPE'

DATED: 1843

SIGNED ON THE ARM: 'Powell & Lealand, Makers, London' and also dated '1843'

THIS PAGE: Powell and Lealand's Substage wheel of Apertures

This Powell & Lealand substage attachment stores in the accessory case. It has four different size apertures to reduce glare. It is used with low power objectives (in this case the one inch and two inch objectives), in concert with the concave mirror. For higher power work, the achromatic substage condenser will give better illumination compared to this apparatus.