The American Exchange and Review, Volumen15,Temas2-6

acid agents Allegheny Valley Railroad alumina aluminium American amount annual anthracite appears April assets average bank Bessemer process blast blast furnaces called capital carbon carbonic acid Cash cast iron cause cent coal color combustion comet Committee Confederates containing copper corps crucible cryolite Degei dividend fact feet Fire Insurance Company furnace garden gold Hartford heat Iceland inches increase interest January legislation less light lime manufacture March matter melted ment metal metallurgy miles mines Mutual National Board oxide oxygen pawnbroker Pennsylvania Philadelphia pig iron plants platinum pledges policies pounds premiums present president pressure produced protoplasm pyrometer quantity Railroad receipts received result risks river road saltpetre secretary silica silver slag solar spectroscope spectrum substance sulphur sulphuric acid surface surplus temperature tion Total tuyere Underwriters United vapors vessels wheel wine York