Psychology
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This object consists of a cylindrical disc piece mounted on an adjustable stand with a round base. In the cylindrical disc there is a small rectangular glass window. Inside, a wire is suspended from an inverted u-shape holder. The inclination of this can be adjusted by a slider on the [Read More...]
This object consists of a cylindrical disc piece mounted on an adjustable stand with a round base. In the cylindrical disc there is a small rectangular glass window. Inside, a wire is suspended from an inverted u-shape holder. The inclination of this can be adjusted by a slider on the [Read More...]