Standard Miner’s head with parts labeled so that one can see how the parts were measured. Diameter of large pulley, diameter of small pulley, length of spindle, length and diameter of mother-of-all, height of maidens.
Standard Miner’s head with parts labeled so that one can see how the parts were measured. Diameter of large pulley, diameter of small pulley, length of spindle, length and diameter of mother-of-all, height of maidens.
