Colours in layers of mica and glass mb-artist W_Read The Salt Tower was built

The Salt Tower was built in 1235 during the reign of Henry III

40 Castle Street East

Development began in August 1961 and it was officially shown at the 1967 Frankfurt Auto Show

Head and shoulders portrait of Newton in an open shirt with folded drape

Colours in layers of mica and glass mb-artist W_Read The Salt Tower was builtColours observed within layers of mica (figures a f) with concentric circles of sixteen colours based upon Isaac Newton's observation of colours produced at the contact of two telescope object glasses (figure g). Plate 1 from the monograph A new elucidation of colours, original prismatic, and material; showing their coincidence in three primitives, yellow, red and blue, by James Sowerby (London, Richard Taylor and Co., 1809). Inscribed 'Tab. 1' top