RECEIPTS. 95 



CEMENT. 



Pine Whitening, - - • - 2 oz. 



Gum- Arabic, - - • - - 2 oz. 



Finest Flour, - - - - - i oz. 



Ox-Gall, a tea-spoonful. 

 The whole to be dissolved, and mixed well with water into 

 thick paste. 



This is well adapted for attaching different objects, and espe- 

 cially for fixing shells to pasteboard, &c. 



GUM PASTE. 



White Sugar Candy, - - - • 2 oz. 



Common Gum- Arabic - - - - 4 oz. 



Let these be melted in a pot of hot water, and then strained 

 through a linen or horse-hair sieve. When properly dissolved, 

 add to it two table-spoonf ulls of starch, or hair-powder, and mix 

 the whole well together. This paste may be used for many pur- 

 poses, audit never spoils. It may be dried, and by pouring a 

 little warm water on it, it will soon be ready for use. If it is 

 wished to be all melted, and hurriedly, the pot containing it 

 should be placed in warm water, or sand. 



FLOUR PASTE. 



Make flour paste in the ordinary way, and add to it a small 

 portion of the solution of corrosive sublimate, or powdered cor- 

 rosive sublimate. This will prevent the attack of mites, to 

 which paste is very liable when dried. This paste may be dried 

 into a cake, and moistened when required. 



SOLUTIPN OF GUM-ARABIC. 



The solution of gum-arabic is made by simply adding water to 

 it. When used as a varnish, or for attaching objects, it is ex- 

 tremely apt to get too brittle, in very warm weather, and to crack, 

 or split off in scales ; to prevent this, a quarter of an ounce of 

 white or brown sugar candy must be added to two ounces of 

 gum-arabic. 



PAPER PASTE, GUMMED. 



Take a coffee-pot, filled with water, and add to it a quantity of 

 paper, which has been slightly sized, like that used for printing 



