Mechanics' Magazine, Volume 21

apparatus appears applied become bees body boiler called carriage carry cast cause communication complete consequence considerable considered constructed contained copper course described direction effect employed engine England equal evidence experiments fact feet fixed flame force four give given greater hand heat hive hour important improvement inches invention iron labour less light London machine machinery manufacture materials matter means Mechanics ment metal miles mills months nature necessary never notice object observed obtained operation oxygen pass person piece practice present principle produced prove quantity received remarks respect result round screw seen side similar steam sufficient supposed surface taken thing tion tube turned vessel volume weight wheel whole