Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 418
alsobecame necessary to remove oravoid the impurities which were found to float upon the surface of the liquid in the tank orpot, and therefore Dr. Siemens contrived a device to do that important work in a simple andinexpensive way. He constructed a fire-clay vessel or boat of oblong shape to swim… … FiG 2 —Siemens tank-furnace. 398 GLASS-MAKING. purities floating on the surface of the liquid in the tank or pot. To further assist the processof fininj^ and wori<ing-out of the glass, the boat is made in two compartments, the second ofwhifii is the working-out compartment: tlic tlividing…
Mechanical engineering
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