BONE GLUE.— MAINE CHARITABLE MECHANIC ASSOCIATION. 1 1 



water is poured upon the bones or rather the ghie, to separate any 

 grease, and also the acid tliat adheres to it. The pieces of glue 

 are then wiped, washed in cold water, and dried in the shade. 

 When this glue is to be used, it is boiled in water to a proper con- 

 sistence. 



" There is a finer kind of bone glue made in the same manner, 

 from leg of mutton bones, which is used instead of isinglass by the 

 French manufacturers. The teeth extracted from the ox cheek 

 bones, are sold to the apothecaries, who use them for the making 

 of Salts of Hartshorn ; as they yield a large quantity of Carbonate 

 of Ammonia, the scent of which resembles that of the true scent of 

 Hartshorn, and is free from the fetidity of the salt of bones." 



[London Mech. Mag. 



MAINE CHARITABLE MECHANIC ASSOCIATION. 



A FRIEND handed us the other day a copy of the Constitution of 

 the above named Association. We were not before aware of the 

 existence of such an institution, but we are happy in finding that the 

 Mechanics of our metropolis have manifested so noble a disposi^ 

 tion as to pledge themselves to atFord each other mutual support 

 in time of need, and that they have united in the praise-worthy 

 undertaking of giving to their apprentices every facility, not only 

 in the acquisition of their respective trades, but also in the funda- 

 mental principles of economy, morality and general science. 



There is an article providing for the establishment " of Profes- 

 sorships in Natural Philosophy, Chemistry and Mineralogy, as con- 

 nected with the arts and manufactures ; — also in Architecture and 

 Mechanics, as soon as the Society shall think expedient," or, as we 

 construe it, as soon as they shall find themselves in funds suflicient 

 to enable them so to do. We hope the day is not far distant when 

 this plan will go into operation. We wish them every success. — 

 We cannot but feel a cordiality toward all those who are willing to 

 exert themselves for the welfare and improvement of their fellow 

 beings, and especially of the rising generation ; and we earnestly 

 hope that the apprentices will be stimulated by the example of 

 their masters to excel in those trades and arts by which they ex- 

 pect to gain a subsistence, and upon which must depend in a great- 

 er or less degree, their future respectability and usefulness. A 

 thorough knowledge of their plans and objects could not be obtain- 

 ed by merely looking over their Constitution, but we are informed 

 that they have established a Library for the benefit of themselves 

 and their apprentices. 



