1793* <'^' education, 53 



branch of science, accompanied with actual observa- 

 tions. 



Optics, 



Considered not only with regard to its philoso- 

 phical principles, but also as a practical art, illustra- 

 ted bj philosophical, chemical, and mechanical ex^ 

 periments. 



Chemistry , 



A general course, for the use of those who only 

 seek to obtain a general scientific knowledge In 

 this course, the principles of chemistry, as appli- 

 cable to arts in general, Ihould be explained, but on-i 

 ly generally. 



Chemical arts, 



A particular course. Intended for those who wifii 

 to attain a thorough knowledge of those braMches of 

 chemical philosophy that can be applied in perfec- 

 ting the arts ; such as metallurgy, — the art of making 

 glafs, enamels, 'iSc ; the art of dying, staining li- 

 nen, tanning, and many others. 



Perhaps Britain is not at present so far behind 

 some other nations in any respectj or at least, is not 

 farther from having reached perfection in any par- 

 ticular department, than in the knowledge of the 

 principles of chemistry, as applied to practical arts. 

 The consequence is, that much waste of labour, time, 

 and money, which might be well saved, is daily in- 

 curred by the persons who practise these arts, which 

 in a very unnecefsary manner, enhances the price 

 of their manufactures. And so much uncertainty 

 prevails with respect to the result of their opera- 

 tions, as damages many goods, ana thus dio^iniihes 



