Fred’s Head from APH, a Blindness Blog

Fred’s Head, offered by the American Printing House for the Blind, contains tips, techniques, tutorials, in-depth articles, and resources for and by blind or visually impaired people. Our blog is named after the legendary Fred Gissoni, renowned for answering a seemingly infinite variety of questions on every aspect of blindness.

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Tuesday, June 30, 2009

O & M Tactile Graphics

O & M Tactile Graphics

Tool for helping teach orientation and mobility concepts: compass directions, clock locations, and navigating outside and inside. Contains:

  • 10 high-contrast print/tactile graphics
  • Teacher's Guide in print and in braille. Teacher's Guide gives you basic ideas for lesson planning using the graphics, suggested concepts and instructional hints for each graphic.

Recommended ages: 8+

O & M Tactile Graphics:
Catalog Number: 1-20100-00
Click this link to purchase the O & M Tactile Graphics.

American Printing House for the Blind, Inc.
1839 Frankfort Avenue
Mailing Address: P.O. Box 6085
Louisville, Kentucky 40206-0085
Toll Free: 800-223-1839
Phone: 502-895-2405
Fax: 502-899-2274
E-mail: info@aph.org
Web site: http://www.aph.org
APH Shopping Home: http://shop.aph.org

2 comments:

Alena said...

What kind of machine are the tactile graphics made on? How would these graphics compare to those made on a Tiger embosser?

Michael McCarty said...

The following information was prepared by Karen Poppe.

The O&M Tactile Graphics are produced with our “Green Machine,” or via a thermography method. This type of graphic produces a consistent overall feel, generally with unvarying height and texture (rough). Wherever the ink is applied during the photocopying process, a fine powder is cured to the printed image and results in a combined tactile/print image. The process is conducive to the production of less complicated graphics. Durability varies depending on how well the powder cures to the page, and how well the coverage of ink is applied; there are instances where dots are not consistently formed from cell to cell.

In contrast, the Tiger produces a dot-matrix type of graphic on braille-quality paper. Newer embossers allow combined print and tactile images. Again, the lines will have a “rough” feel, but more comparable to the feel of densely-packed braille dots. However, subtle height differences and line thicknesses are possible depending on how the original graphic is drawn. Because of this, the Tiger is probably better for depicting graphs whereby plotted lines can be more easily distinguished.

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