The statement, regarding the size of stones used at the wearing surface. "The size of a stone used
on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a
smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and everypiece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievous" was
made by
(A) Telford
(B) Macadam
(C) Tresguet
(D) Sully
on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a
smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and everypiece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievous" was
made by
(A) Telford
(B) Macadam
(C) Tresguet
(D) Sully