The Saw in History - on iserted teeth -
http://books.google.com/books?id=2ztqAAAAIAAJ&pg=PA41&lpg=PA41&dq=inserted+tooth+saws+making&source=bl&ots=1p5kK4am2W&sig=seEjOPAYdxxJYR3JDkNGbWRQTWM&hl=en&ei=RgTpSp6LG4vg8Qbsx9iRDw&sa=X&oi=book_result&ct=result&resnum=3&ved=0CB0Q6AEwAg#v=onepage&q=inserted%20tooth%20saws%20making&f=false Bold text