ಸಂಪನ್ಮೂಲಗಳು ಟ್ಯಾಗ್: Treadle Power
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2010-01-01 This treadle grindstone can spin a 6” abrasive wheel (of the type used on electric tool grinders) at up to 3000 rpm by means of a single treadle operated by the person using the grinder. Although rotational speed is similar to electric grinders, power is lower therefore short or light grinding...