502 XIII. OILY COMPOUNDS.— 



Brown red. Lime water 8 gallons, Spanish brown 1 cwt., road 

 dust 2 cwt., ppd. fish oil 4 gall., ppd. residue oil and linseed oil, of 

 each 4 gall. 



Yellow. Put in yellow ochre instead of Spanish brown, as in 

 the last. 



Black, Put in lamp black or blue black. 



Stone colour. Lime water 4 gallons, whiting 1 cwt., white lead 

 ground in oil 28lb., road dust 56lb., ppd. fish oil 2 gallons, ppd. 

 residue oil and linseed oil, of each 3^ gallons. The cheapest of 

 these paints, and the hardness and durability given to them by the 

 road dust (i. e. ground gravel) has brought them into great use 

 for common out-door painting. 



Flexible paint. To each cwt. of oil paint is to be added yellow 

 soap lb. j, dissolved in water lb. vj, and mixed while still hot; 

 used for painting canvas. 



Glaziers^ putty. Whiting and drying oil. 



Anti-attrition. Hogs' lard lb. x, camph. 4 oz., black lead q. s. 

 to colour it ; used to rub on iron to prevent rust, and diminish 

 friction. 



Dressing for leather to render it waterproof. 01. lini lib., cer8e 

 fl., tereb. comm. ana 2 oz., picis Burg. 1 oz. — 2. Ol. lini 1 lb., 

 sevi 8 oz., cerae fl. 6 oz., resinae fl. 1 oz. 



Callofs soft varnish for etching. Oil of linseed 4 oz., gum ben- 

 zoin, white wax, of each half an oz. ; melt, and keep it on the 

 fire till it is reduced to two-thirds : keep in a pot. 



PLASTERS. 



FOR MEDICAL USE. 



Adhesive plaster, Emplastrum adhcesivum, E. commune 

 adhcesivum, E. lithargyri cum resina, P. L. E. resince. Diachyl. 

 simpl. lb. iij, resinae fl. lb. ss.— 2. Ol. oliv. 79lb., litharg. 461b. 

 8 oz., resinae fl. 161b. ; used to bring together the edges of wounds, 

 or confine other dressings. 



Empl. lithargyri cum resina, p. D. Diachyl. simp. lb. iij, 

 resinae fl. lb. ss. 



Emp. resinosum. Diachyl. simp. lb. v, resinae fl. lb. j. 



Emplastrum ammoniaci. Gum ammoniac ^v, distilled 

 vinegar ^viij ; evaporate to a proper thickness ; discutient in scro- 

 fula and white swellings. The empl. ex ammon. P. L. 1720, was 

 an unguent, containing ammon. ^vj in ^xxvjss. 



Emp. ex ammoniaco cum Mercurio, E, ammoniaci cum 



