same Weather exactly, or with very small Variations. A Discovery, which your Excellency sees at one Glance the Importance of, tho' I fear, as 'tis probable the World will not hold out many Centuries longer, this will be like coming to a great Estate when one is past Seventy, and has no Hopes of enjoying it. The last I shall mention to your Excellency, are the two Professors of Trades, and Mechanical Arts. These divide all the most mysterious Trades between them, such as Dying, Weaving, Tanning, Turning, Carpenters, Masons, Painters, Brewers, Bakers, Spinners, Miners, Wheel, Mill and Ship-wrights, Printing, Glass-making, and such like; and are oblig'd to inspect into all possible or probable Methods to improve those in his Province.
Each Year they give in their Observations or Inventions to the Board of Trade, who, after examining into them, and consulting thereon with the Hall of Tradesmen in that Mystery, give Orders for its being followed and observed by them and their Apprentices, and publisht, if proper, for the common Good. The Professors must be Masters of Arts in one of the Universities, and well vers'd in Experimental Philosophy, and mustevery
