In steam cistern,Abt. 20 galls of thick bottoms of vsh,Accumulations in cistern from which all the bright & tolerably bright varnish had been drawn off,Add,20 galls linsd oil – stirr well …,Turn on the steam onto cistern,also,7 galls (about) of various oil dryers,From R P –,Also 14 galls (about) of thick black oil which had been used for an oil bath many times it was blackish & thick as treacle,14 galls more linsd oil – ,All heated up all day from 8 in the morning in steam apps giving it all the heat we could obtain keeping it on during dinner time – stirring it very often – till 7 in the evening – strained & put into cistern ,This 1st colour oil dried well & with a varnish like lustre. rather tacky – its colour was that of ma..s varnish – It is stronger in body than the B. oil bottoms – consequently it will not be proper to use to large a quantity of it with the 1st colour for canvass. – I think the quantities used for 1st colour (page 526) are about right.,…,Memorandum,In the event …. Not having any vsh botts of our own then might I the… be bought of Wallis – whose make of Varnish is similar to our own – or the boiled oil bottoms might be bought of Turner the turpentine manufacturer instead,