Avery's patent for locking stones in the foundations of lighthouses ... More information may be obtained by letter addressed to John P. Avery, Norwich, Conn. [1854].
Summary
Lighthouses.
Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML.
Printed Ephemera Collection; Portfolio 8, Folder 34.
Tags
Date
01/01/1854
Source
Library of Congress
Copyright info
Public Domain