The SciencesAluminum and its 'Hard-Boiled' AlloysHow a Chemical Curiosity Became a 225,000,000-Pound Industry in Forty-Three YearsBy Albert A. Hopkins on June 1, 1930AdvertisementABOUT THE AUTHOR(S)Recent Articles by Albert A. HopkinsAn Entertainment Treasure HouseFood for a Floating HotelHow the Bureau of Mines Aids the Mineral Industry