]70 SIMPLE METHODS OF ARRANGING CAEINETS. 



by the following composition ; which is the same mentioned at 

 page 167 for mending shells. 



Fine Spanish whitening, 2 oz. 



Gum Arabic, 2 oz. 



Finest flour, ^ oz. 

 Ox- Gall ; a tea-spoonful — 



This cement may be kept in a pot in a dry state, and a little 

 warm water poured on it when required. Some prefer a solu- 

 tion of gum arable for attaching them. The solution of gum 

 arable plain, will not, however, answer the purpose, as it cracks, 

 when the weather becomes hot, and the shells are disengaged. 

 It should therefore be made in the following manner. 



Gum Paste. 



White Sugar-candy, 2 oz. 



Common Gum Arabic, 4 oz. 



Ox- Gall, one tea-spoonful. 



When properly dissolved, it should he strained through fine 

 muslin or gauze, and two table-spoonfuls of starch or hair-pow- 

 der added to it, and half a drachm of corrosive sublimate. It 

 may then be put into an earthen ware pot or bottle, and allowed 

 to dry. When used, a little warm water may be poured on it, 

 when it will be ready for use in a few minutes. — 



