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it may be very properly anſwered, every thing; for clay and water are not bricks; ſtone yet undug is not in a ſtate for building; among the number of ores there is not one nail, and much to be done before there can be one; there are plenty of trees of every ſize, ſhape, and kind, but ſome in ſpecics, and all in bulk, fail of being fit for preſent uſe. Here is wanted then, as I ſaid before, every thing to make a houſe that belongs to man. There wants the figurative exertion of the intellects in every branch of this part of ſcience, which I call principles of imagery; and alſo the ſame in every branch called arithmetical, to ſettle firſt the plan, then to give the whale proportion. Then, my Lord, follows the act; a proper choice of all materials, and the work begins. Firſt principles of proportion for the clay and water; then methods of making and burning bricks. Then principles of maſonry; and methods of cutting and ſhaping the ſtone. Then principles of chymiſtry; and methods of making and converting iron, &c. into the various uſes wanted in a building. And laſtly comes the timber, of more conſequence than any of the former. This is in a jumble of trees as before obſerved; here is wanted judgment to make a proper choice; all the principles of ſcience to ſettle the ſcant-
