I know very little about this machine, although I am fortunate enough to have one. The brief manual that accompanies it (see below) has a sticker on the front for Federico K. Hutzler Inc., NY, but I presume that they were a reseller rather than the manufacturer.
[Esham's] Matrix Milling Machine [Manual]
This is a four-page manual describing in very simple terms the use of this machine. It was published anonymously, without date or copyright notice. It was distributed at some presumably later point by Federico K. Hutzler, Inc., NY at a time postdating the introduction of ZIP codes but with an alphanumeric telephone exchange.
The manual reproduced here was published in the US without copyright notice at a time when such notice was required. It therefore passed into the public domain upon original publication.
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.
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