I read from somewhere that those machines at the pictures worked actually quite well, and they were used in many European countries, but people forgot them when WW I started. The man on picture 1 is the inventor of those exercise machines. He was a doctor if I remember right.
I read from somewhere that those machines at the pictures worked actually quite well, and they were used in many European countries, but people forgot them when WW I started. The man on picture 1 is the inventor of those exercise machines. He was a doctor if I remember right.