While both Title and Practice Acts focus on the health, safety and welfare of the public, Practice Acts require that interior design services be provided by a licensed design professional. They are the most restrictive type of occupational regulation in that they prohibit unlicensed people from providing interior design services.
They ordered equipment from Europe, and on April 19, 1937, they formed Perkin-Elmer as a partnership. Perkin and Elmer started their optical design and consulting business in a small Manhattan office, but within a year they were producing optical components in Jersey City, New Jersey.
Machine-spun cotton candy was invented in 1897 by the dentist William Morrison and confectioner John C. Wharton and first introduced to a wide audience at the 1904 World's Fair as Fairy Floss with great success, selling 68,655 boxes at 25Â¢ per box (equivalent to $6 per box today).