#4312-4315 Romania - Events of the 20th Century Type (MNH)
Our price:
$4.30 USD
1999 Events of the 20th Century Type, Set of 4. Designs: 800 l, Alexander Fleming discovers penicillin, 1928. 3000 l, League of Nations, 1920. 7300 l, Harold C. Urey discovers heavy water, 1931. 17,000 l, First marine oil drilling platform off Beaumont, Texas, 1934.