About the Images

All of the images here are in the public domain in the USA, with sources as indicated.

Often the originals are too large to present online. Click (or right-click to download) on each image for a larger (if not as large as possible) version.

The images which serve as links to other documents on this site are described on the "About the Images" pages for those linked documents.

image link-to-gas-mold-housing-replacement-icon-sf0.jpg

From: Ludlow Typograph Company. Instructions for Replacing Elrod Mold Housing. Chicago, IL: Ludlow Typograph Company, 1946 and 1959. Scanned by the author from the original.

The various patent icons are, of course, taken from the patents they represent.

All portions of this document not noted otherwise are Copyright © 2009 by David M. MacMillan and Rollande Krandall.

Circuitous Root is a Registered Trademark of David M. MacMillan and Rollande Krandall.

This work is licensed under the Creative Commons "Attribution - ShareAlike" license. See http://creativecommons.org/licenses/by-sa/3.0/ for its terms.

Presented originally by Circuitous Root®

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