Monochromatic lamps and filtered spectra Sir John Musgrave others carry trays of food

others carry trays of food

Manchester United manager Alex Ferguson sits in the dugout with coaching staff during the League Division One match against Charlton Athletic at The Valley ground

The byline reads 'The Dawn of a New Motoring Era'

and the city must surrender soon

Cassius Clay (Muhammad Ali) in Central London a few days before his fight with Henry Cooper

Monochromatic lamps and filtered spectra Sir John Musgrave others carry trays of foodFigures showing monochromatic lamps fuelled by alcohol diluted in water to produce a yellow flame (figures 1 3), with views of the effects on the spectrum created by filtering light through various types of coloured glass (figure 4 numbers 1 16). Plate 28 from the paper 'Description of a monochromatic lamp for microscopical purposes, &c. with remarks on the absorption of the prismatic rays by coloured media.', by David Brewster, originally published