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Uniting the theories of partial polygons of resistance and centres and lines of resistance, this buttress of blocks illustrates the tangential curve that is the line of pressures.

Buttress of Blocks

Uniting the theories of partial polygons of resistance and centres and lines of resistance, this buttress…

Junction between an arch and the column, pier, or wall on which it rests.

Impost, Continuous

Junction between an arch and the column, pier, or wall on which it rests.

"Siemen's Continuous Tank Furnace." — Encyclopedia Britannica, 1893

Tank Furnace

"Siemen's Continuous Tank Furnace." — Encyclopedia Britannica, 1893

"Siemen's Continuous Tank Furnace." — Encyclopedia Britannica, 1893

Tank Furnace

"Siemen's Continuous Tank Furnace." — Encyclopedia Britannica, 1893