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code Related

U.S.P.O. i.e., U.S. Post Office differential pressure valve

description

Summary

Drawing.

This record contains unverified data from caption card.

Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Picryl description

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Tags

lot 12332 print post office pressure valve design library of congress
date_range

Date

01/01/1852
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Source

Library of Congress
link

Link

https://www.loc.gov/
copyright

Copyright info

No known restrictions on publication.

label_outline Explore Post Office, Print, Lot 12332

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lot 12332 print post office pressure valve design library of congress