Image
EAN-13	9780738731537
Product Name	Practical Sigil Magic: Creating Personal Symbols For Success
Language	English
Category	Book / Magazine / Publication
Short Description	Height:7.99 inches / Length:5.2 inches / Weight:0.4 pounds / Width:0.59 inches
Amazon.com	Buy on Amazon ~ 0738731536
SKU	749780738731537
Price New	10.70 US Dollars    (curriencies)
Price Used	10.70 US Dollars    (curriencies)
Width	5.25 inches    (convert)
Height	8 inches    (convert)
Length	0.6 inches    (convert)
Weight	6.4 ounces    (convert)
Author	Frater U.:D.:
Page Count	168
Binding	Paperback
Published	04/08/2012
Features	Llewellyn Publications
Long Description	Create and use powerful symbols of Will Practical Sigil Magic is widely regarded as the definitive guide to the topic. Unavailable for a number of years and long sought-after by magicians, this classic work is now available once again. Sigil magic is one of the most efficient and economical of magical disciplines. It can be performed without complicated rituals or paraphernalia, is independent of philosophical and dogmatic premises, and can be learned easily and quickly. Most important, it will give even beginning magicians the chance to work with the power of the Will and enhance their own abilities. This classic reference work will provide magicians―from novice to adept― with instruction that will empower and advance their magical practice. Praise: “Frater U∴ D∴ writes from a background of extensive practical achievement and theoretical knowledge to present a book of magical techniques for those who dare to use them.”―Peter J. Carroll, author of Liber Null & Psychonaut
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Created	11-22-2012 3:51:38pm
Modified	10-08-2017 1:02:48pm
MD5	03230c5e8af00c97fc050e80051ba1dc
SHA256	6b6a27c4e832af8dd1b053f927713c384c0da89fd2736bc45bc2b6d5209cd282
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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).

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.