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Wamboldt-Waterfield Photography Limited Wamboldt-Waterfield Photography Limited Nova Scotia With digital objects
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Photograph of an electrical apparatus to record the responses made by children in a learning task
Photograph of an electrical apparatus to record the responses made by children in a learning task
Photograph showing how a study may be changed and a new study presented by changing plugs
Photograph showing how a study may be changed and a new study presented by changing plugs