Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 399
awing, as it was thought they would only confuse the adjacent parts.) To give itstrength to bear the weight of the buckets with their contents, it is furnished with a cast-iron king-post k,having two inch tie-bolts ss connected to its lower extremity by a single and double forked joint,through… … furnished with a screw for the purpose of setting them up, by means of a nut, should they at any timebecome slack. There are also two wooden trusses ww, which take the strain of the framing, midwaybetween its centre and either end. This ladder is found sufficiently strong, and well adapted…
Mechanical engineering
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