s first trip was 5 days 15 hours and 37 the sockets and heads of the bolts in the friction the one shown in the illustration may be set up and minutes. Her captain stated that the coal was poor, blocks, by means of which the latter are secured in po- utilized to do a great variety of work will be… … tus in use at the Royal Research Laboratory, WERN'S FRICTION CLUTCH. BOLGIANO'S "LITTLE GIANT" WATER MOTOR. Berlin, for testing the comparative hardness manner on the shaft, to be thrown into frictional con- of different materials. The substance to be tact with the flange of the hoisting drum or…
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