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COMPOUND MONOCULAR MICROSCOPE

MAKER:ANDREW PRITCHARD

MODEL:'ACHROMATIC ENGISCOPE'

c. 1854

SIGNED: 'Andrew Pritchard, 162 Fleet street. London'

SERIAL NUMBER: 560

THIS PAGE: The substage paraboloid

Pritchard Microscope Paraboloid

There is a large parabolic illuminator for dark ground illumination protected by brass caps at both ends, which slides into a brass sleeve (right side of the picture) which screws into the lower tubular fittings of either the Bonanni or the plain stage.