This bizarre but strangely handsome – or at least weirdly appealing – device is a rather fascinating creation. Reported in The Motor Cycle of November 14, 1963, though without a picture (that followed on a later page) it is explained thus:
“Here come the Mounties! But look what they’re mounted on! Motor-tricycles, no less! In fact the three-wheel motor cycle [sic] is quite common in North America, where it is employed in traffic
