Cutlery and Allied Trades Research Association knowledge which is available to everyone on a competitive fee paying basis, however CATRA will enter into dialogue with consumers and users of cutlery, knives and tools where their expertise may be of help, on a free of charge basis. Petersen's Bowhunting magazine uses CATRA to measure sharpness of arrowheads. CATRA manufactures a wide range of special purpose equipment including knife and cutlery testing machines and knife sharpening systems including the CATRAHONE and CATRASHARP machines 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
Cutlery foods and the cutlery metal can lead to unpleasant tastes. Gold is even less reactive than silver, but the use of gold cutlery was confined to the exceptionally wealthy, such as monarchs. Even comparatively modest households might have one or two items of silver, often silver spoons. Wealthy individuals would own large sets containing a range of specialised dining implements, such as the comprehensive set in sterling silver made for the French aristocrat Marie-Joseph Paul Yves Roch Gilbert du Motier (known as the Marquis de Lafayette) by the Towle Manufacturing Company. It contained, among many other items, a gravy ladle,