Day and night' achromatic telescope (Meniscus lens)

Made:: 1776-1792 in City of London

maker:: Jno Gilbert, John

'day and night' achromatic telescope (Meniscus lens) two eyepieces (one with sunfilter), brass dust cap, mahogany tube, on table tripod stand, made by John Gilbert, Tower Hill, London", 2-inch object lens, late 18th century

Details

Category:: Optics

Object Number:: 1928-918

Materials:: metal, copper (alloy), brass, wood, mahogany and glass

Measurements:: overall: 750 mm x 630 mm x 330 mm, , 3.385kg

type:: telescope - nautical and telescope - refracting

credit:: Court, Thomas Henry

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