Re: Can anyone ID the boxcar on the left?


Tony Thompson
 

Claus Schlund wrote:
Can anyone ID the boxcar on the left? Is this what is called a Warren truss?

http://www.loc.gov/pictures/item/owi2001015034/PP/resource/
Yes. though here, as in bridges, the vertical posts are for convenience, not necessity.

Tony Thompson Editor, Signature Press, Berkeley, CA
2906 Forest Ave., Berkeley, CA 94705 www.signaturepress.com
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