
Perkins School For The Blind Bound Clippings: Reading Devices For The Blind, 1931-1935 (Classic Reprint)
Excerpt from Perkins School for the Blind Bound Clippings: Reading Devices for the Blind, 1931-1935 The instrument, now known as a printing visagraph, represents a fur ther development of a visagraph demonstrated-several years ago by Mr. Naumburg. The earlier device, based on the principle of the radio, depended on a combination of touch and sound, which Mr. Naumburg said had not proved completely...
Hardcover: 224 pages
Publisher: Forgotten Books (May 3, 2018)
Language: English
ISBN-10: 0260627968
ISBN-13: 978-0260627964
Product Dimensions: 6 x 0.6 x 9 inches
Format: PDF Text djvu book
- 0260627968 epub
- 978-0260627964 epub
- Perkins School for the Blind pdf
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satisfactory.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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