“Didn’t they give any reason why they wanted to see the cover?”

“Said they’d heard about it—that was all,” my manager replied. “Both men wanted to take all sorts of measurements, but I told them they’d better buy a set outright. I fancy it’s some inventor’s game. Somebody has got a scheme to improve on it, I expect, and bring it out as a British patent.”

But I kept my counsel and said nothing. I was already convinced that behind these three visits there was something unusual, and I determined to endeavour to extract the truth from Kershaw Kirk.

Little did I dream the reason why the Eckhardt tyre was being so closely scrutinised by strangers. Little, likewise, did I dream of the curious events which were to follow, or the amazing whirl of adventure into which I was to be so suddenly launched.

But I will set it all down just as it happened, and try to present you with the complete and straightforward narrative—a narrative which will show you what strange things can happen to a peaceful, steady-going, hard-working citizen in this Greater London of ours to-day.


Chapter Two.

Some Strange Facts.

Mr Kirk opened his front door himself that evening, and conducted me to a cosy study at the end of the hall, where a fire burned brightly.