Measurement of land impressions

If the measurements of land impressions (grooves) on fired bullets are to have any meaning it is obvious that they must be made by a method that gives both reproducible and reliable results. Preferably it should be a method which does not require the use of prohibitively expensive equipment. If equipment generally available in crime detection laboratories can be modified or added to in order to get a satisfactory means of measurement, so much the better. We believe that this requirement has been attained.

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Knife Throwing Techniques of the Ninja

Knife Throwing Techniques of the Ninja

Knife Throwing Techniques of the Ninja. span stylecolor: 000000Do you want to learn the art of throwing knives? Ever wondered how it is done to perfection every time? Well here is your chance. This book contains well over 50 pages of detailed information and illustrations all about the art of knife throwing. This intriguing book focuses on the ninja's techniques and training. This is a must for all martial artists and anyone wanting to learn the knife throwing techniques of the ninja.span

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