An English lacquered brass portable aquatic microscope, early 19th centurysquare section post fitted with lens above up/down adjustable stage with choice of inserts and tool post hole to rim, with pivoted mirror beneath the whole mounted via a socket onto an oval foot, 11cm high assembled, in original red leather covered box with some accessories, 11.5cm wide.design of the current lot is probably derived from a model developed by John Ellis in around 1752. The main differences being that the current lot utilises a separate brass base for support rather than screwing into the lid of the box, and focuses by up/down movement of the stage rather than the lens. Condition report disclaimer
An English lacquered brass portable aquatic microscope, early 19th centurysquare section post fitted with lens above up/down adjustable stage with choice of inserts and tool post hole to rim, with pivoted mirror beneath the whole mounted via a socket onto an oval foot, 11cm high assembled, in original red leather covered box with some accessories, 11.5cm wide.design of the current lot is probably derived from a model developed by John Ellis in around 1752. The main differences being that the current lot utilises a separate brass base for support rather than screwing into the lid of the box, and focuses by up/down movement of the stage rather than the lens. Condition report disclaimer
.jpg "Quelle: Christie's")
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
