Radium bromide Institute had four grams of radium total, which at the time was more than half the world supply. Countries all over the world set out to make as much radium as possible, a time consuming and expensive task. It was reported in "Science" magazine in 1919 that the United States had produced approximately 55 grams of radium since 1913, which was also more than half the radium produced in the world at the time. A principal source for radium is pitchblende, which holds a total of 257 mg of radium per ton of UO. Obviously with so little product recovered
Radium Queen (ship) all but one of the surviving vessels of the Radium line were found to be free of contamination, with the exception of the "Radium Gilbert", but whether the "Radium Queen" had been contaminated could not be determined, as she had been scrapped. Radium Queen (ship) The Radium Queen and her sister ship the "Radium King" were built in Sorel, Quebec in 1937, for the Northern Transportation Company, a subsidiary of Eldorado Gold Mines. The "Radium Queen" was a cargo/tug ship that served on the Slave River. It made runs between Lake Athabaska and Great Slave Lake is generally navigable. The