099v - - - - - Quince trees
They have to be pruned often; otherwise they die and do not produce good fruit.
Cannons
They are very difficult to drill when they are made of metal since the material is rough and brittle. But you must not push the drill too strongly or push all at once, but remove it often. In that case, the cannon mouth is bigger than the bullet in order to avoid drilling, since the material can be easily cast and slides. The drill should not be like a dovetail, or a point, but should be cut in round like a crankshaft. If it breaks, don’t leave it to rust +
at left top margin
+ but instantly take it off from the light. What you will do is pour a little oil on it and then turn it down opposite to the light, strike the opposite side, and it will fall out. You have to drill gently when a piece is made of metal.
Bells
One does not make them in the pit if they do not fit.
Gilding your molding for panels without gold
Some take orpiment in leaf form & pulverize it & make moresque leaves & burnish it, and it is this orpiment which is shiny like gold. However, ground metals or ground cristallin or touchstone are better.
Orpiment orange
One sublimates it & one grinds it & some put in a little arsenic to make it melt instead.
Varnish
Some make this of mastic with two ounces of mastic and one of clear & white turpentine oil & eau de vye as above. Heat it on ashes until it is melted, then let it rest & put it in another vessel to purge it of dregs.