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
John Messer Barn last surviving structure from the pre-park Greenbrier Cove community. This barn should not be confused with the Messer Barn in Cataloochee, which was built by John's cousin, Will Messer. The Messer Barn is a type of double-cantilever barn unique to East Tennessee, and rarely found outside Sevier, Blount, and Cocke counties. The barn is one story with a hayloft, and measures by . The gabled roof, as with all double-cantilevers, has considerable overhang, allowing livestock shelter in inclement weather. Unlike the reconstructed double-cantilever barn at the Tipton Place in Cades Cove, the Messer Barn's overhang is supported by poles along