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Photograph of an electrical apparatus to record the responses made by children in a learning task

• PC1, Box 31, Folder 35, Item 2
• Item
• [ca. 1968]

Part of Dalhousie University Photograph Collection

Wamboldt-Waterfield Photography Limited

Photograph showing how a study may be changed and a new study presented by changing plugs

• PC1, Box 31, Folder 35, Item 3
• Item
• [ca. 1968]

Part of Dalhousie University Photograph Collection

Wamboldt-Waterfield Photography Limited