Color Names Color Blindness And The Education Of The Color Sense In Our Schools Classic Reprint

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Color Names Color Blindness And The Education Of The Color Sense In Our Schools

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Author : Benjamin Joy Jeffries
language : en
Publisher:
Release Date : 1882

Color Names Color Blindness And The Education Of The Color Sense In Our Schools written by Benjamin Joy Jeffries and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1882 with Color vision categories.

Color Names Color Blindness And The Education Of The Color Sense In Our Schools Classic Reprint

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Author : Benjamin Joy Jeffries
language : en
Publisher: Forgotten Books
Release Date : 2017-05-18

Color Names Color Blindness And The Education Of The Color Sense In Our Schools Classic Reprint written by Benjamin Joy Jeffries and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-18 with Psychology categories.

Excerpt from Color-Names, Color-Blindness, and the Education of the Color-Sense in Our Schools Investigation of a railroad accident in Sweden, supposed to be due to color-blindness, led Dr. F. Holmgren, professor of physiology in the University of Upsala, to the belief that the defect must be ftc quent, and hence dangerous on both land and sea. Difficulty arose as to any certain method of detecting it quickly. The absence of any such method has been the especial reason why the defect has hitherto escaped observation. Using the theory of young-helmholtz, and applying a test suggested by Seebeck, he finally brought out his now well-known method with the colored worsteds. By this, and the imitations of it devised here and there, large numbers of persons have been examined all over the world, including both sexes, all colors, ages, and degrees of civilizations, etc. It is a curious fact, that till the expert could test quickly and accurately, the existence of color blindness to the extent now proved remained unknown. It is now admitted that four per cent. Of males are more or less color-blind, and in females not over one-fourth of one per cent. Are thus affected. My own tests, up to the time of writing this, are of males 801 were color-blind, whilst I found but 1 1 females among defect ive in their chromatic sense. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.

Journal Of Education

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Author :
language : en
Publisher:
Release Date : 1888

Journal Of Education written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1888 with Education categories.

Special Report Of The Commissioner Of Education On The Condition And Improvement Of Public Schools

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Author : United States. Bureau of Education
language : en
Publisher:
Release Date : 1871

Special Report Of The Commissioner Of Education On The Condition And Improvement Of Public Schools written by United States. Bureau of Education and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1871 with Education categories.

Children S Books In Print 2007

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Author :
language : en
Publisher:
Release Date : 2006

Children S Books In Print 2007 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Authors categories.

Journal Of Education And School World

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Author :
language : en
Publisher:
Release Date : 1887

Journal Of Education And School World written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1887 with Education categories.

Special Report Of The Commissioner Of Education On The Condition And Improvement Of Public Schools In The District Of Columbia

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Author : United States. Department of Education
language : en
Publisher:
Release Date : 1871

Special Report Of The Commissioner Of Education On The Condition And Improvement Of Public Schools In The District Of Columbia written by United States. Department of Education and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1871 with African Americans categories.

New England Journal Of Education

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Author : Thomas Williams Bicknell
language : en
Publisher:
Release Date : 1878

New England Journal Of Education written by Thomas Williams Bicknell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1878 with Education categories.

Catalogue Of Title Entries Of Books And Other Articles Entered In The Office Of The Librarian Of Congress At Washington Under The Copyright Law Wherein The Copyright Has Been Completed By The Deposit Of Two Copies In The Office

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Author : Library of Congress. Copyright Office
language : en
Publisher:
Release Date : 1969

Catalogue Of Title Entries Of Books And Other Articles Entered In The Office Of The Librarian Of Congress At Washington Under The Copyright Law Wherein The Copyright Has Been Completed By The Deposit Of Two Copies In The Office written by Library of Congress. Copyright Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with American drama categories.

Catholic School Journal

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Author :
language : en
Publisher:
Release Date : 1960

Catholic School Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Education categories.