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 29
methodsof making four different kinds of boxes areminutely given. Thus in the Boites a feuilles the best kind, in which the cover | : ~] and bottom part are each made out of asingle leaf of shell; the circular pieces are to je cut out of the shell as much larger than : . — _^_ the size of the box,… … ANIMAL MATTER USED IX THE ARTS. The round plate of shell is first placed centrally over the edge of the ring, as in Fig. 39; it is slightly•queezed with the small round-edged block g, and the entire press is then lowered into the boiling water;in one quarter, or half an hour, it is transferred to…
Mechanical engineering · Mechanics · Engineering
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