Improved Apparatus for Designing and for Educational Purposes.

摘要

16,135. Rogers, F. H., [Wiley-Spencer Co.]. July 6. Ornamenting.-Consists in apparatus for obtaining designs for use in ornamenting oil cloth. The apparatus comprises a number of differently coloured cards with apertures of geometrical design as shown in Figs. 1, 3, and 5. By superimposing two or more cards, composite designs are obtained.