10 abandoned subway stations | 10 anti-masturbation devices | 10 antique phonographs | 10 best power strip designs | 10 classic jacob jensen gadgets | 10 classic reel-to-reel recorders | 10 console light guns | 10 dry land submarines | 10 enormous floating cranes | 10 failed automobile manufacturers | 10 flea circus contraptions | 10 gas guzzlers | 10 james dyson inventions | 10 luxury trains | 10