File:PSM V36 D483 Queen post bridge truss for medium span.jpg

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Description

Queen post bridge truss for medium span

Date

between 1889 and 1890

Source

Popular Science Monthly Volume 36

Author

Unknown author

Permission
(Reusing this file)

	This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
	This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:52, 16 October 2010		1,250 × 559 (29 KB)	Ineuw	{{Information \|Description = Queen post bridge truss for medium span \|Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_36.djvu/483 \|Date = 1889-1890 \|Author = Unknown \|Permission = {{PD-old}} \|other_versions = }} [[Categor

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