THO-RADIA rare lithographed sheet metal barometer circa 1948. Good condition, complete with original barometer. 85 x 33 cm Alexis Moussalli, pharmacist in Paris, produces beauty products, creams, toothpastes and soaps based on radium and thorium, according to the formula of doctor Alfred Curie, not mentioned, bought by the Lafarge laboratories, then Sanofi.