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

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Calcined black pebbles from the river are good to use for lead. But they are weakened if used with metal.

There is only ardille clay with which one can make tiles, recooked and reddened and passed through a long narrow bag carefully soaked with raw egg white.

Willow charcoal is excellent with sand and lead.

Latten flows better.