Established in 1906, Frank Moore soon became well known amongst discerning tradespeople for the quality & accuracy of his tools. The Company was acquired by John Shaw & Son in 1945 & James Neill & Co in 1970. Currently part of the Bower Meteorology UK Group, they still produce superb tools & measuring instruments in Sheffield. The subject item is made from high-grade carbon silver tool steel with the patented 'Firm Lock' joint, that identifies the maker as Moore & Wright.A tool used for external measurement of items made by a maker who patented the "firm lock" jointing system now used on many different types of tools in many different industries. These items are now collectible and quite rare as a result are sought by tool collectors in the USA and UK.‘Firm Joint’ external measuring calipers believed made by Moore & Wright. Impressed into the metal "L A J S" (Probably the owner and company that used the item nothing to do with manufacturing) flagstaff hill, warrnambool, shipwrecked-coast, flagstaff-hill, flagstaff-hill-maritime-museum, maritime-museum, shipwreck-coast, flagstaff-hill-maritime-village, calipers, callipers, external calipers, outer caliper, pottery tools, masonry tools, glass making tools, external measurement