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EAN-139780747203711   EAN-13 barcode 9780747203711
Product NameScotland Yard Files: 150 Years of the CID, 1842-1992
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionHardcover
Amazon.comA Buy on Amazon ~ 0747203717
SKUVIB0747203717
Price New55.90 US Dollars    (curriencies)
Price Used2.70 US Dollars    (curriencies)
AuthorPaul Begg, Keith Skinner
Page Count320
BindingHardcover
Published06/11/1992
FeaturesUsed Book in Good Condition
Long DescriptionAs the ingenuity of criminals has developed over time, so have the techniques for catching them. The murderer Dr. Crippen's attempted getaway was foiled by the first use of radio at sea, and fingerprint evidence first secured a conviction as far back as 1902. Keith Skinner, a leading crime historian, and Alan Moss, a former Chief Superintendent, have trawled through the archives and selected twelve such fascinating 'firsts' from the history of the world-famous Scotland Yard - including the first 'wanted' picture in the press, the first successful use of identification parades, and the first conviction based on ballistics evidence. A lively narrative is supported by many previously unpublished images and documents from the Scotland Yard files at London's National Archives.
Created11-14-2012 1:57:42pm
Modified09-09-2018 9:44:33am
MD5dea079d72996d829120de22fcd8af97d
SHA256ae164f708296e13c576806271b8c87b8ebdbce1239d334de21b584c88e6b4a9c
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Query Time0.0060101

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A Data Matrix code is a two-dimensional barcode make up of blocks of black and white modules put together to make either a square or rectangular pattern. The information to be encoded can be text or raw data.

Normally, data size is from a few bytes up to 1,556 bytes. The length of the data depends on the symbol dimension used. To make sure the data can be read even when the pattern is slightly damaged, error correction codes are added which increase symbol strength. A Data Matrix symbol can store up to 2,335 alphanumeric characters. Here is a sample you can scan.

Barcode Data Matrix

Data Matrix symbols are rectangular in shape and usually square. As more data is added, modules are put together to allow for the data and error correction. Each module can be identified by the "L" shaped black line that runs down the left and across the bottom of each module. In the sample shown above, there are four modules. These "L" shaped sections are known as the "finder pattern". The top and right border of each module are made up of alternating light and dark blocks. Light blocks represent 0 (zero) and the dark blocks represent 1 (one). These are known as the "timing pattern". All of the blocks in the middle of each module make up the data and check codes. The entire pattern can range in size from 8x8 to 144x144 in size.

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