Blank greetings card with envelope featuring:

Brook Taylor NPG 1920

© National Portrait Gallery, London

probably by Louis Goupy

Brook Taylor was a mathematician who wrote on the mathematical theory of perspective, giving the first general statement of vanishing points, as well as on magnetism, capillary actions, thermometers and calculus. He invented the method for expanding functions in terms of polynomials about an arbitrary point known as Taylor series, which he published his chief mathematical work, Methodus Incrementorum Directa et Inversa, in 1715. His book Linear Perspective also appeared in 1715. Although the formal mathematical style made it inaccessible to most artists, the work... more

Card size: 125mm x 175mm

Images are printed in their original proportions, within a white border.