Color blindness : remarks / by B. Joy Jeffries at the twenty-ninth annual meeting of the board of the supervising inspectors of steam vessels.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Color blindness : remarks / by B. Joy Jeffries at the twenty-ninth annual meeting of the board of the supervising inspectors of steam vessels. Credit: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London). Public Domain Mark