Date | Image | Innovation | Society Sort descending |
---|---|---|---|
1873 | Cincinnati Observatory | AIAA | |
1842 | The Cincinnati Observatory | AIAA | |
1897 | Chivilingo Hydroelectric Plant | IEEE |
Date | Image | Innovation | Society Sort descending |
---|---|---|---|
1873 | Cincinnati Observatory | AIAA | |
1842 | The Cincinnati Observatory | AIAA | |
1897 | Chivilingo Hydroelectric Plant | IEEE |