. De re metallica. Metallurgy; Mineral industries. BOOK VI. 155 by a workman out of tunnels or sheds. It is made as follows : two planks are chosen about live feet long, one foot wide, and two digits thick ; of each of these the lower side is cut away at the front for a length of one foot, and at the back for a length of two feet, while the middle is left whole. Then in the front parts are bored circular holes, in order that the ends of an axle may revolve in them. The intermediate parts of the planks are perforated twice near the bottom, so as to receive the heads of two little cleats on whic
. De re metallica. Metallurgy; Mineral industries. BOOK VI. 155 by a workman out of tunnels or sheds. It is made as follows : two planks are chosen about live feet long, one foot wide, and two digits thick ; of each of these the lower side is cut away at the front for a length of one foot, and at the back for a length of two feet, while the middle is left whole. Then in the front parts are bored circular holes, in order that the ends of an axle may revolve in them. The intermediate parts of the planks are perforated twice near the bottom, so as to receive the heads of two little cleats on which the planks are fixed; and they are also perforated in the middle, so as to receive the heads of two end-boards, while keys fixed in these projecting heads strengthen the whole structure. The handles are made out of the extreme ends of the long planks, and they turn downward at the ends that they may be grasped more firmly in the hands. The small wheel, of which there is only one, neither has a nave nor does it revolve around the axle, but turns around with it. From the felloe, which the Greeks called a-^lSu:. two transverse spokes fixed into it pass through the middle of the axle toward the opposite felloe ; the axle is square, with the exception of the ends, each of which is rounded so as to turn in the opening. A workman draws out this barrow full of earth and rock and draws it back empt3^ Miners also have another wheelbarrow, larger than this one, which they use when they wash earth mixed with tin-stone on to which a stream has been turned. The front end-board of this one is deeper, in order that the earth which has been thrown into it may not fall A—Small wheelbarrow. B—Long planks thereof. C—End-boards. D—Small WHEEL. E—Larger barrow. F—Front end-board Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly re
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Keywords: ., bookauthoragricolageorg14941555, bookcentury1900, booksubjectmin
