Improving the blackboard / by W. Douglas Seymour.

  • Seymour, W. Douglas.
Date:
1938
Catalogue details

Licence: In copyright

Credit: Improving the blackboard / by W. Douglas Seymour. Source: Wellcome Collection.

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    THE NATIONAL INSTITUTE OF INDUSTRIAL PSYCHOLOGY Founded in 1921 for the Application of Psychology and Physiology to Industry and Commerce IMPROVING THE BLACKBOARD BY W. DOUGLAS SEYMOUR PRICE Is 6d PUBLISHED IN LONDON BY THE NATIONAL INSTITUTE OF INDUSTRIAL PSYCHOLOGY ALDWYCH HOUSE, W.C.2 GRATIS TO MEMBERS OF THE INSTITUTE Th CHAR!. K A VC