The Heroes of Zeebrugge and Ostend, Board to Consider War Inventions, and more

1918 Scientific American  
Over a thousand steamships 0/ every nationality using New York as their terminal port are equipped with • 85 % Magnesia ' Coverings on their pipes and boilers. "
doi:10.1038/scientificamerican05251918-486 fatcat:k4g3efj5mjconnxehnwgtkeuzm