Archive image from page 657 of Discovery Discovery discovery0102londuoft Year: 260 DISCOVERY a given vmlcr's grammas, the directions in which these slope, his interruptions—that is, the number of times FlO. I.—(GRAPHOJIETKY.) he raises his pen from paper, etc.—and the various shapes of his grammas. Let me here note .that this new word gramma, used by Dr. Locard, means any written character, figure, or sign, and is less apt to lead to confusion than the word ' letter' or ' character.' Height is interpreted by measurements. A given \vriter, according to the pen he is using, the space at hi
Archive image from page 657 of Discovery Discovery discovery0102londuoft Year: 260 DISCOVERY a given vmlcr's grammas, the directions in which these slope, his interruptions—that is, the number of times FlO. I.—(GRAPHOJIETKY.) he raises his pen from paper, etc.—and the various shapes of his grammas. Let me here note .that this new word gramma, used by Dr. Locard, means any written character, figure, or sign, and is less apt to lead to confusion than the word ' letter' or ' character.' Height is interpreted by measurements. A given \vriter, according to the pen he is using, the space at his disposal, and the nature of the text he is WTiting, traces grammas which are sometimes small and some- times large, but the relation between the height and the breadth of each gramma remains constant. The slope of his grammas is interpreted by angular values. The frequency with which a writer lifts pen from paper can be calculated and represented graphically bj' means of curves. And finally, shapes can also be interpreted statistically and translated into comparable curves. The superposition or divergence of the curves thus fur- nished by two writings makes striking comparisons. As an example of the first method Dr. Locard takes the word retnerciement in an anonymous letter (text X) the author of which has to be discovered. The same word occurs in the texts to be compared with it, or in those dictated to two persons, A and B, who are under suspicion. After the various measurements have been made, the chart Fig. i is the result. Clearly the writer of the texts X and A are one and the same ; B's \vriting is entirely different. Naturally, it is only
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