Apollo fuel cell power plant
1972
1972
1839 (original); circa 1988 (replica)
circa 1972
(1962); 1982
1971
1990-96
1971
1903 (original); 1982 (model)
1971
2000-100 BCE
1972
4000-2001 BCE
1972
1971
1972
1972
1972
1971
1971
1972
1971
1971
1971
1971
1971
1971
1971
1980-1950
1971
1972
1972
1972
1972
1972
1972
1972
1972
1990-95
1971
c.1971
1972
6000-5000BCE
1798 (original); 1977 (model)
1959 (designed); 2001(made)
2050-1750 BCE
1971-72
1971
1888; 1984
1972
1972