Show ancient and modern tools A two tire years study at has eon convinced nir mr flinders petrie that the 11 gap tian of years ago had bad a surprising acquaintance with what have been considered modern tools among tl the 1 0 many tools used by the pyramid builder bui it were both solid and tubular drills arid and straight and circular caws the drills like those of today were berwith set jewels probably corundum its as the llie diamond was vas very scarce and even lat catlie lie tools had such cutting edged so i ii ihlo able was the quality of I 1 the lie tubular drills drill and the skill of the workmen that the cult cutting in marks markh in hard granite give no indication of wear of the tool while a butof cut of a tenth of guinch an inch iv was made in ili the hardest roe rock at each revolution and a liole hole through both the hardest anti and softest hottest material matr rill NN as boad perfectly smooth and uniform throughout of tile the material and method of making tho the tools toola nothing is known says popular science news |