Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 394
reafter described) for carrying the ladders, itc. By this arrangement,and by being securely fastened at their bases, the four upright timber frames are firmly kept in theirperpendicular position. The form of these frames will be clearly understood by reference to the eleva-tion, Fig. 1090. It will… … cap or top plate by means of twelve 1^-inch bolts, by which method it can be securely fastened tothe before-mentioned beam, and adjusted so as to accommodate the tunibler-shaft, by means of pack-ings being introduced between the cap and top of timber, and which can easily be removed at anytime when…
Mechanical engineering · Mechanics · Engineering
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