097r - - - - - Black varnish
It is said, at the beginning of the book where you can see it, that it is made with galipot.
Gilding
One prepares the guards thoroughly with a soft, very soft file such that there is nothing black left on any of the guards, and next heat them, & pass them as said. But to gild & gild with silver, they ought not to pass, except maybe a little towards blue. Then while the guards are hot, one attaches them to a wood block & with some tweezers one layers the gold & one makes it sit with bloodstone,which is quite clean & rubbed with pottée. And when the guards are cold, one reheats them, then one layers the gold as above. And first one gives de two layers, until the entire guard is well—adorned. And next one reheats as at the beginning, & one gives the third covering of gold. Then one burnishes very thoroughly and with great force with a large bloodstone. And But note that to burnish well, the guard always needs to be warm. And to know this, one smells it & brings it close to the nose. For one ought not to touch with the fingers, but one grasps picks it up from on top of the warm ashes with a small iron rod, which has been purposely made to go into the eye of the guard. And when it is entirely well—polished, one rubs it very well with a white linen, and the gold needs to be thicker & stronger than for painters. A quarter is worth fifty or LX sols.
Gilding with silver
One needs to prepare the guards & whiten them with a lince file, a little coarser for than for gold. And one makes them pass to grey, as for gilding. And when they are warm, one needs to double the leaf of silver, then divide it with a knife, next cover the guard with it, with un petit tweezers & a small burnisher. And then reheat & apply them, until they are all gilded in silver. Next one needs to cover them for the third time, with the leaf doubled as has been said, then burnish them very strongly & with good strength, not with the bloodstone, but with a strong burnisher, just as the burnisher ought not to burnish gold.