Cycloidotrope, mechanical lantern slide to produce geometric patterns Cycloidotrope, mechanical lantern slide
Cycloidotrope: 'The Invisible Drawing Master'. E Marshall, 78 Queen Victoria Street, London EC. Slide for magic lantern, generating geometrical patterns on smoked glass; fully adjustable, producing very wide range of designs. Stylus arm and part of wooden guide missing (replaced November 1975). With instruction sheet. In wooden tray. Cycloidotrope: 'The Invisible Drawing Master'. E Marshall
Cycloidotrope for lantern - The Invisible Drawing Master. Lantern slide device for tracing geometric designs on smoked glass disks. Rotating and reciprocating gears and leavers move stylus point over rotating smoked glass disk. With 5 disks with a traced pattern, fixed with varnish. Cycloidotrope for lantern - The Invisible Drawing Master
