Show antiquity of the saw th the saw is an instrument of high antiquity its invention being attributed bute either to or to hi his s nephew perdix also called r who having found the jaw of a serpent elit and divided a piece of wood led to imitate the teeth in iron cibil in a bass relief published publish ud by is resented holding a 96 saw approach approaching very closely in form to the alie egyptian saw t st jerome seems clearly to allude to the circular saw which was probably used as at present in cutting veneers venters ve there are also imitations eions of the use of the center bit and I 1 evenin the time of 0 cicero it was employed by thieves pliny mentions eions the use of the saw in ancient belgium for cutting white building stone 1 some of the oolitic and cretaci eouse rocks brocks are arc still treated in the sams same I 1 manner both in that part of the continent and in the south of england 0 in this case pliny must be e understood to speak of a proper or toothed saw the saw without teeth was then used just as it is now by the workers in marble and the place of teeth was supplied according to the hardness of the stone either cither by emery 0 or r by various kinds of sand of inferior hardness in this manner manne r the an ancient ci ent artifice rs were able to cut slabs of the hardest rocks which consequently were adapted 0 to o receive the highest est polish such lucli as granite danile ra nile i porphyry lapis lazuli I 1 and 11 amethyst scientific american I 1 J |