Mechanical Drawing

Man Ray (1890-1976) Mechanical Drawing titled 'MECHANICAL DRAWING' (center), dated and inscribed '1908 Archimedean Spiral' (lower right) and inscribed 'Variable Spiral' (lower left) pen and India ink over pencil on paper 8 7/8 x 12 3/8 in. (22.5 x 31.4 cm.) Drawn in 1908