Spirograph Spirograph Spirograph is a geometric drawing toy that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. It was developed by British engineer Denys Fisher and first sold in 1965. The name has been a registered trademark of Hasbro Inc. since 1998 following purchase of the company that had acquired the Denys Fisher company. The Spirograph brand was relaunched worldwide with original product configurations in 2013 by Kahootz Toys. In 1827 English architect and engineer Peter Hubert Desvignes developed his "Speiragraph", a machine to create elaborate spiral drawings, intended to prevent bank note forgeries. The mathematician
Russkiy Toy clubs RTCA and TRTDCA must combine into one club to represent the Russian Toy breed in the AKC. Russkiy Toy The Russian Toy (also known as the Russian Toy Terrier, and in Russia as the Russkiy Toy, Toychik,) is a very small breed of dog originally bred in Russia from the English Toy Terrier. There are two types of coats in the breed: smooth coat and long coat. The smooth-coated variety was previously known as the Russian Toy Terrier and long-coated as the Moscow Long Haired Toy Terrier. Both were brought together under the same Russian Toy Terrier name in