Compton, Alfred G. (Alfred George), 1835-1913 · New York : J. Wiley & Sons · leaf 75
TESTING IRON. MANUFACTURE OF CAST-IRON. 61 “ tuyeres” which enter through the iron pipes or … stantly accumulating in The heavier one settles the bottom of the furnace.
Metal-work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
