RECIPES. 16*5 



liquid from running out. Soft, or nauseous balls, should 

 be wrapped in thin paper ; tasteless medicines, calomel, 

 &c., or purging salts, may frequently be given in food. 



To Case-harden Locks. 



Take the plate, hammer, cock, and screw, put them 

 into an iron hardening pan, with burnt soles of shoes ; 

 set them into a coal fire, blow it up, and continue lay- 

 ing small pieces of deal round and on it, for about an 

 hour. Cease to blow the fire after the pan is hot. 

 Have a dish of water to receive them, when taken out of 

 the fire, which must be instantaneous, pan and all, as 

 the air getting to them will prevent the marl colour. 



To Colour the Steel Fittings of a Gun. 



Clean them well with fine emery-paper, hold them 

 over embers till they turn blue ; have a piece of sponge 

 dipped in olive oil ready to pass over them the instant 

 they are out of the fire. Repeat it till they are a good 

 blue colour. 



To bring the Grain up in Gun-Stocks, fyc. 



Hold the gun-stock over a lighted paper, then with a 

 fine file rub it off, repeating it till it comes to your 

 mind. If any sap arises, apply aquafortis and rose- 

 pink mixed ; burn it in slowly, then file it again, and rub 

 it well with pulverized pumice-stone in a rag, till it has 

 a good face. The following mixture may be constantly 

 used : spirit of turpentine, bees' wax, and alkanet-root, 



