... shovel thedrymaterialintothe mixes, pushingtheir shovels alongthe floorof thetray, whereby the cementshedsitselfuniformlydown the slope of the gravel and becomes mixed with it to a certain degree. The mixer is an open trough of cast or wrought-iron, from i feetto 9 feet long,and 3fr feet wide. The lower...

... CYLINDERS EFFICIENCY PROPULSION SHIPS MARINE BOILERS POWER JACKETS MIXED 468 STEAM. COMBINED T h e Honourable JOHWNETHEREsDaid, that sincethe Paper was written, he had learned, that in one instance, the coil .of pipes in-theseparatefurnacebuilt on theplan of Mr. Perkins,had become oxidised...

...J WETHERED © Thomas Telford and ICE 1860 STEAM COMBINED STEAMERS STEAMSHIPS SUPERHEATING SHIPS BOILERS CYLINDERS ENGINES MIXED PROPULSION POWER EFFICIENCY TEMPERATURE FUEL MARINE 462 COMBIKED STEAN. March 27, 1860. GEORGE P A R K E R BIDDER, President, in the Chair...