リソース タグを付けた: Treadle Power
1 items found (Showing 1 - 1)
-
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...