(NUMBER 44. VOLUME IX.) the step; and upon the upper ends of the said THE rods, ¢ cc, thenut,N, rests. … alkali. Such is the process, and such the re- suitable for the largest business. They can be The annexed figure is a vertical section is thrown outwards by centrifugal force be- sult in this case. driven 600 revolutions a minute with safety. through the middle of the improved Grinding tween the…
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