Cutlery and Allied Trades Research Association Cutlery and Allied Trades Research Association Cutlery and Allied Trades Research Association (CATRA) is an internationally known research and technology organisation in Sheffield, England which specialises in knives, cutlery, tableware, metallic holloware (such as saucepans), shaving razors, industrial knives/ blades and hand/garden tools. CATRA was originally set up by the British Government in 1952 to carry out developments for the UK's cutlery and knife industries, for which the area of Sheffield in Yorkshire is world-famous. CATRA has developed a range of unique machines for measuring the cutting performance of all types of cutting edges from razor blades to large knives
Glenn Messer Glenn Messer Glenn Edmund Messer (July 12, 1895 – June 13, 1995) was an American aviation pioneer, responsible for major advances in the use and modification of existing aircraft and in the design and construction of aircraft and aircraft instruments. He was born in Henry County, Iowa on July 12, 1895. He began his flying career by taking lessons on a Wright biplane from aviator George Gustafson in Bay City, Michigan. Messer operated an Birmingham Municipal Airport in Birmingham, Alabama with Edward Stinson. He later operated Messer Field. In 1927 he started the Southern Aircraft Corporation which designed and built