[No. LXXIX.j the tablet. No. LXXIX. »< Nothing should be thought cheap, that badly an fivers the end for which it is defigntd." (Continuation from the last number.) " A MOTHER great inconvenience to which J\ our schools are fubjed:, and one that will render the benefit of anyfchool very trifling, is that they confill of too many scholars. People suppose that by supporting a few schools, they may all reap the advantage with little expence. They do so. Their advantage is proportionate to the expence. The expence is trifling, and so is the benefit. It is utterly impossible tor a man to take proper care of leventy or eighty fcholais at once. Thirty is a large number ; and if a teacher understands his business, children will be educated cheaper, if there are nevermore than twenty or twenty five pupils under the charge of one inftru a mode whereby to obtain invariable standards for weights and measures, communicable at all times and to all nations; but the liberal encourage ment thus held out to the public, was not produc tive of a single attempt —therefore the fame en couragement was repeated the following years, viz.in 1776,1777, and 1778, in consequence thereof, 011 the third Tuesday in March 1779, fi v e plans were presented to the Society, amongst which number, that by Mr. John Hatton, Watch-maker, in London* was the most approved, though not perfected to that degree of accuracy required in the constitution of invariable measure. How ever, as the idea was new, and appareatly caPa ble of being carried to a much greater degree of perfection, the Society, in consideration of its merits, and as some encouragement to reconfidei the fubje