. Guide to finger-print identification [electronic resource]. till 111111 1 If , m hm.! rn 3 9 a 1 1 1 1 1 i~Tt^ 1 ! 1 1 1 1 1 1 1 1 1. Fig. 20. Kew Micrometer. but it also furnishes a ready means of turning the one scale into theother without calculation—a matter of great moment at the presenttime when two scales are in use in several countries. The instrumentis four inches in length, and the long arm is graduated to tenths of aninch, and can therefore be used for larger measurements. It isvery useful for a variety of purposes in scientific work, and does nottake up much room. In dealing with
. Guide to finger-print identification [electronic resource]. till 111111 1 If , m hm.! rn 3 9 a 1 1 1 1 1 i~Tt^ 1 ! 1 1 1 1 1 1 1 1 1. Fig. 20. Kew Micrometer. but it also furnishes a ready means of turning the one scale into theother without calculation—a matter of great moment at the presenttime when two scales are in use in several countries. The instrumentis four inches in length, and the long arm is graduated to tenths of aninch, and can therefore be used for larger measurements. It isvery useful for a variety of purposes in scientific work, and does nottake up much room. In dealing with photographic enlargements oftwenty diameters delicate and expensive instruments are unnecessaryfor ordinary demonstration, but for the preliminary scrutiny ofsmudges and for purposes of classification of ordinary registers fineinstruments are indispensable to the expert. When a portion of any pattern leads to dispute as to evidence ofidentification, the remainder of the pattern may be shut out from therest of the imprint, making the disputed portion easier to understand. 62 This can be done by punching or cutting out small ope
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