Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 375
ring of leather bent into a shape resemblingan inverted U- The ring is cut out of a flat piece of stout leather, well oiledand bent into the required shape. The effect of the pressure of the water isto force the leather more tightly against the ram, and as the pressure be-comes greater, the tighter… … FiG, 166.—Hydraulic Press. wrought iron columns, d d d d, support another strong plate, e, and main-tain it in a position to resist the upward pressure of the goods when theram rises, and they are squeezed between the two tables. The interior otthe large cyhnder communicates by means of the…
Inventions
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