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 56
a brick, Fig. 119. The gates, with their frames, are made as shown at Fig. 97 :the gate-caps rest partly in the walls and partly upon the posts 11. In order to prevent their rising, inscrewing the gates, consols n n axe projected, to which the gate-caps are secured by the bolts n m. Bythose two… … JJojt botfih.
Mechanical engineering
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