Seismometer was invented by
1). Alexander Parkes
2). Luigi Palmieri
3). Alexey Pajitnov
4). Ransom Eli Olds
Venn diagram was invented by
1). Lucien Vidi
2). John Venn
3). Theophilus Van Kannel
4). Lewis Urry
Electric tram was invented by?
1). Fyodor Pirotsky
2). Arthur Pitney
3). Fritz Pfleumer
4). Stephen Perry
Who discovered theory of relativity?
1). Isaac Newton
2). Albert Einstein
3). Niel Bohr
4). Michael Faraday
Electric chair was invented by
1). Alfred P. Southwick
2). Isaac Singer
3). Murasaki Shikibu
4). Hanaoka Seish?