PICRYL
PICRYLThe World's Largest Public Domain Source
7 ton hydraulic lifting jack, U.S. Capitol Ex. and Washington Aqueduct, Dudgeon's patent

7 ton hydraulic lifting jack, U.S. Capitol Ex. and Washington Aqueduct, Dudgeon's patent

description

Summary

Drawing.
This record contains unverified data from caption card.

date_range

Date

01/01/1852
create

Source

Library of Congress
copyright

Copyright info

No known restrictions on publication.