Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 126
er to the radiators.The radiators are made of two plates of bloom-iron. The front plate is stamped with conical de-pressions about three-eighths of an inch in depth, 2^ inches in width, and 3^ inches from centreto centre. The back plate is plain, and the two are riveted closely together, with…
Mechanical engineering -- Dictionaries
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