Making and Knowing
A minimal edition of BnF Ms Fr 640 in English Translation

- - - - - folio image: 137r - - - - -


To make clamps use flat tongs made from wire, which is reheated and bent, and hammered on anvil. Since those clamps are thinner, they burn more easily, being used in reheated molds. So use new clamps.

Figure at left bottom margin of folio 137r Figure