10 Pieces of Playground Equipment that Nearly Killed Your Grandparents

(via Mental Floss)  With equipment that made a mockery of the universal conditions of gravity and physics, the schoolyards of the early 20th century were a treacherous labyrinth of concussion and contusion. Grandpa always said he was tough—but even if you don’t believe that he walked eight miles uphill in the snow to school every day, these vintage playground devices were truly perilous.