Rosa Roberts, GB189405716A
A New or Improved Device for Facilitating the Teaching of Perspective in Drawing.
Image credit: Roberts, R. (1894)
On February 9th, 1895, Rosa Roberts, a spinster of Ipswich, London, patented a wooden device to improve the teaching of perspective in drawing. Her invention featured a frame enclosing an open space, crossed by wires or strings to form a grid of one-inch squares, aiding students in accurately sketching objects.
Date of Application: 19 March 1894
Date of Issuance: 9 February 1895
For more information, please refer to the following webpage:
Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.