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EAN-139780794501440   EAN-13 barcode 9780794501440
Product NameCastles: Their Construction And History (Dover Architecture)
CategoryBook / Magazine / Publication
Short DescriptionHeight:10.51 inches / Length:0.39 inches / Weight:1.15 pounds / Width:8.5 inches
Amazon.comA Buy on Amazon ~ 0486248984
Price New5.48 US Dollars    (curriencies)
Price Used1.55 US Dollars    (curriencies)
Width0.49 inches    (convert)
Height9.16 inches    (convert)
Length6.13 inches    (convert)
Weight12.32 ounces    (convert)
AuthorSidney Toy
Page Count256
Long DescriptionThe art of fortification had reached a high state of development even at the dawn of history. Powerful military works, dating from the remotest periods, have been found in Asia Minor, in Greece, and in the basins of the Tigris, the Euphrates, and the Nile rivers. The medieval castle, with its strategic, crenellated ramparts and aura of legend and romance, represents perhaps the most familiar form of a long-crucial art. This concise, scholarly volume traces the history of the castle from its ancient roots in the Levant, through Roman times and the Middle Ages, to the fanciful chateaux of the sixteenth century. Profusely illustrated with nearly 200 photographs, floor-plan diagrams, and pen-and-ink renderings, Castles explores innovations in castle design, siege operations, artillery, and other weapons, living conditions within the castle, and clearly explains intriguing features of construction: moats, baileys, keeps, donjons, barbicans, double curtains, loopholes, and many others. In addition, noted historian and fortification expert Sidney Toy takes the reader on a detailed guided tour of over 120 of the most famous castles and fortresses of Europe and the Middle East. Explore Caernarvon Castle (associated with the Princes of Wales), Dover Castle, Arundel Castle, Hadrian's Wall, the Tower of London, the famed city of Troy, and dozens of others in vivid accounts focusing on the architecture, offensive and defensive modifications, and historical importance of each structure or site. Castle enthusiasts, medievalists, military buffs, travelers, and anyone interested in the evolution and development of the castle will find this meticulously researched overview an informative and absorbing account.
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Created02-26-2012 6:38:13pm
Modified05-01-2020 1:56:08am
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Article of interest

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.