C 54 J 
2. THERE fhould be a competent number of fubordinate f{u- 
pervifors, one to teach the myfteries and infpect the manage- 
ment of each particular branch of the general department. 
3. Tuere fhould be a head clafs of fludents intended to 
be mafter manufaGurers, each of whom fhould pay a certain 
fum on admiffioa into the fchool. Thefe fhould be inftructed 
in the theory and practice of every branch of the manufac- 
ture to which the fchool is appropriated, from the collection 
of the raw material to its converfion into the moft elaborate 
compofition of art. Thefe ftudents fhould alfo be taught book- 
‘keeping, and in fhort whatever is neceflary or ufeful to be 
known by a matter manufacturer; particular attention being 
paid to their education in any one branch for which they 
may be peculiarly intended. 
4. Tuere fhould be a fecond clafs, confifting of poor chil- 
dren, who fhould be admitted gratis, upon proper recommen- 
dation, and maintained and clothed entirely at the publick ex- 
pence. Thefe fhould be inftruéted in the fubordinate labours 
of handicraft, to which they fhould be principally confined. 
I say principally, but not wholly; becaufe I am not of 
opinion (with Dr. Prieftley) “ that the mechanical parts ef any 
« employment will be beft performed by perfons who have 
“ no knowledge or idea of any thing beyond the mere prac- 
“ tice.’ Some of the moft valuable improvements in machi- 
nery and in the conftruction of philofophical inftruments have 
been made by intelligent workmen. In the firft fire-engines 
a boy 
