Pe oad ST 
a- Boy was: conftantly employed to open and fhut alternately 
the communication between the boiler and the cylinder, ac- 
cording as: the pifton either afcended or defcended. One of. 
thofe boys, who was. anxious to be at liberty to play with 
his companions, was the firft who obferved that by tying a- 
ftring from the handle of the valve which: opened: this* com-- 
munication to another part of the machine, ghe valve would? 
open and fhut without afliftance. Thus one of the greateft- 
improvements that has been made upon this machine {ince its: 
invention was the difcovery. of a boy who fought to. fave: 
his labour. Was the genius of this: boy: unworthy of being: 
cultivated? or fhould he have been treated merely as’ an -auto-~ 
maton becaufe he was poor? I fhall adduce another example 
of an oppofite kind’ In the ftaple manufacture of this country” 
a confiderable lofs has been occafiomally fuftained by the rot- 
ting of linens in confequence of the acidulous liquor: where- 
with the bleachers four them- having been too ftrong. The 
only teft which thefe workmen employ to afcertain its ftrength 
is their tafte. But this fenfe is proverbially irregular. A very 
little chemical inftru€tion. would furnifh them with a criterion ° 
fufficient to fecure the good effects of the liquor and to pre-- 
vent it from being ever corrofive. 
5. Tue bufinefs: of the fchool would be completed by a 
competent number. of experienced journeymen, who fhould be 
employed in fuch work as cannot be performed by children, 
and in the inftruction of all, particularly the fcholars of the - 
fecond clafs, in the feveral operations of manual art. 
LasTLy, 
