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This article is a list of standard proofreader's marks used to indicate and correct problems in a text. Marks come in two varieties, abbreviations and abstract symbols. Marks come in two varieties, abbreviations and abstract symbols.
Progressively, national proof houses were set up in other countries and proof marks were introduced. In 1914, the director of the Liège Proof House in Liège, Joseph Fraikin (director from 1908 to 1946), was the originator of the creation of the Permanent International Commission for Firearms Testing.
In the early Middle Ages, armour would be classified by the blows it could withstand, being certified as proof against swords, axes, and arrows. As firearms emerged as battlefield weapons, armour would be tested against them, as well, from which came the modern term "bulletproof". [citation needed]
Waffenamt code (WaA) is the German inspection proof mark and can be found on firearms and equipment. An example of a Waffenamt stamp. Chiefs of the Waffenamt
In many jurisdictions a proof test and valid proof mark are required for the sale of firearms. A "proof round" is an ammunition assembly designed to be used in proof testing; this can use a fixed cartridge , a semi-fixed cartridge, or separately loaded projectile, charge and primer.
This page was last edited on 9 November 2006, at 01:05 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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Parenthesis around the mint mark denotes that the coin does not have a mint mark on the coin, but was minted in that location. ... Proof only 1879 (P) 29,100 1880 (P ...