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EAN-139780870218637   EAN-13 barcode 9780870218637
Product NameBritish Battleships Of World War One
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionHardcover
Amazon.comA Buy on Amazon ~ 0870218638
Price New58.68 US Dollars    (curriencies)
Price Used44.95 US Dollars    (curriencies)
Width10.25 inches    (convert)
Height10.25 inches    (convert)
Length1.25 inches    (convert)
Weight47.2 ounces    (convert)
AuthorRobert A. Burt
Page Count320
BindingHardcover
Published08/01/1986
FeaturesUsed Book in Good Condition
Long DescriptionThis superb reference book achieved the status of 'classic' soon after its first publication in 1986; it was soon out of print and is now one of the most sought-after naval reference books on the secondhand market. It presents, in one superb volume, the complete technical history of British capital ship design and construction during the dreadnought era. One hundred years ago at Jutland, Dogger Bank, Heligoland Bight and the first battle for the Falklands, might squadrons of these great armoured ships fought their German counterparts for command of the seas. Beginning with Dreadnought, the book continues to the end of the First World War, and all of the fifty dreadnoughts, 'super-dreadnoughts' and battlecruisers that served the Royal Navy during this era are described and superbly illustrated with photographs and line drawings. Each class of ship is described in detail so that design origins, and technical and operational factors, are discussed alongside characteristics, with special emphasis on armament, armour and machinery. Fully detailed data tables are included for every class, and more than 500 photographs and line drawings illustrate the text. A delight for the historian, enthusiast and ship modeller, it is a volume that is already regarded as an essential reference work for this most significant era in naval history and ship design.
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SHA2569f370e3452133fe12baf846f296120a857865db0071a599aa7b3b8b9b914976c
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Plessey Barcodes

This symbology was developed by the Plessey Company in England. A variation of Plessey was used by the ADS Company and is known as Anker Code. Anker Code was used in European point of sale systems prior to the advent of EAN. Another variation is known as the MSI Code.

Plessey offers a full range of HEX digits 0-F. The bit pattern of the bits sets the high order bit at the right which is reverse of how we normally think of bits these days. (MSI puts the high order bit on the left).

The start bar is always "D" (1101) and the terminator can be two binary 1's (11) if the barcode is to be read from left to right only. If the barcode can be read in either direction the terminator will be a single binary 1 (1) and is followed by a reverse of the start character or the "B" (1011).

Digit Strip Bits Binary Value
0 100100100100 0000
1 110100100100 1000
2 100110100100 0100
3 110110100100 1100
4 100100110100 0010
5 110100110100 1010
6 100110110100 0110
7 110110110100 1110
8 100100100110 0001
9 110100100110 1001
A 100110100110 0101
B 110110100110 1101
C 100100110110 0011
D 110100110110 1011
E 100110110110 0111
F 110110110110 1111
START 110110100110 1101
STOP > 110110 11
STOP < > 110110100110110 11011

You can use the stripe bits can be used to generate the graphic pattern. If you want to see this trick, check out the MSI Code page. Plessey uses a cyclic (or polynomial) check code technique which is applied to the reading of barcode labels and transmission of data. This technique is a fair compromise between the extra redundancy and the error detecting power. Roughly one undetected error per hundred million 6 digit transactions.

If you would like to generate your own Plessey Barcode, please visit our free barcode generator page. Make your code, save it and use it how ever you like.