Page:Storer Clouston--Simon.djvu/110

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XIII

THE DEDUCTIVE PROCESS

Bisset laid on the table a sheet of note paper.

"Here," said he, "is a kin' of bit sketch plan of the library. Observing this plan attentively, you will notice two crosses, marked A and B. A is where yon wee table was standing—no the place against the wall where it was standing this morning, but where it was standing before it was knocked over last night. B is where the corp was found. You follow that, sir?"

Ned nodded.

"I follow," said he.

"Now, the principle in a' these cases of crime and detection," resumed the philosopher, assuming his lecturer's air, "is noticing such sma' points of detail as escape the eye of the ordinar' observer, taking full and accurate measurements, making a plan with the principal sites carefully markit, and drawing, as it were, logical conclusions. Applying this method now to the present instance, Mr. Cromarty, the first point to observe is that the room is twenty-six feet long, measured from the windie, which is a bit recessed or set back, as it were, to the other end of the apartment. Half of 26 is 13, and if you take the

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