079v - - - - - [continued]
and put it into an earthenpot, & it should have many hot ashes underneath, & little by little you will make the fire underneath bigger and bigger, & one ought not move it, & when it will be cooked, & it needs to be for six hours, mind that the smoke does not harm you for it is bad.
For making varnish
Take some mastic, sang daRage darac, gum arabic & spike lavender oil, as much of one as the other, & make them melt all together, & before coating it, lay a coat of glue quite clear, & let it dry.
Antidote against the smoke of metals
In the morning, take a piece of thin toast with butter, neither antimony nor any other vapors will harm you. Or put half a pig’s bladder in front of your face.
Tin for casting
They use common tin, which is the one that pewterers use to make dishes, which is composed of 9 or ten ten lb of fine lead for one quintal of tin.
at left bottom margin
Some find that there is nothing better than fine tin.
Mixture for printers
Make a layer of pulverized antimony, & a layer of latten & old scrapings or thin plates of iron or clo iron nail heads, and continue in this way until the crucible is full. And melt inside a four à vent, & then mix a little tin & fill up the crucible with lead until it causes it. And increase the fire & mix to make the substances alloy well. The mixture for large letters is harder.