1st March 1957, Page 48
1st March 1957
Page 48

Page 48, 1st March 1957
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Bison Hill, Near Whipsnade Zoo, Was Used For The Hill-climb
and brake-fade tests. It is thre•-quarters of a mile long and has an average gradient of 1 in 10/. Its steepest section is 1 in 61. The ambient tern'perature during the climb......