52 Manufacture of Paints with Fish Oil. 



If the oil is wanted only for coarse purposes, the linseed 

 oil and oil of turpentine may be added at the same time that 

 the prepared vinegar is put in, and, after being well shaken 

 up, is fit far immediate use without being suffered to settle. 



The vinegar is to dissolve the litharge, and the copperas 

 accelerates the dissolution, and strengthens the drying qua- 

 lity. 



The residue, or bottom, when settled, by the addition of 

 half its quantity of fresh lime water, forms an excellent oil 

 for mixing with all the coarse paints for preserving outside 

 work. 



Note. Ail colours ground in the above oil, and used for 

 inside work, must be thinned with linseed oil and oil of 

 turpentine. 



*** The oil mixed with lime water I call incorporated oil. 



The Method of preparing, and the Expense of the various 

 Impenetrable Paints. 



First. — Subdued Green.' 



Fresh lime water, 6 gallons 



Road dirt finely sifted, 112 pounds 



Whiting, 112 ditto 



Blue black, 30 ditto 



Wet blue, 20 ditto 



Residue of the oil, 3 gallons 



Yellow ochre in powder, 24 pounds 



This composition will weigh 368 pounds, which is scarce 

 one penny per pound. To render the above paint fit for use, 

 to every eight pounds add one quart of the incorporated oil 

 and one quart of linseed oil, and it will be found a paint 

 with every requisite quality, both of beauty, durability, and 

 cheapness; and in this state of preparation does not exceed 

 twopence-halfpeimy per pound, whereas the coal tar of the 

 same colour is sixpence. 



D 2 the- 



