File:PSM V79 D091 Block placing test of mental development.png

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Original file (827 × 1,080 pixels, file size: 243 KB, MIME type: image/png)

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English: Block placing test of mental development
Date
Source Popular Science Monthly Volume 79
Author Unknown authorUnknown author

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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.

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Date/TimeThumbnailDimensionsUserComment
current17:52, 13 October 2013Thumbnail for version as of 17:52, 13 October 2013827 × 1,080 (243 KB)Ineuw=={{int:filedesc}}== {{Information |description={{en|1=Block placing test of mental development}} |date=1911 |source=[http://www.archive.org/details/popularsciencemo79newy Popular Science Monthly Volume 79] |author={{unknown|author}} |permission= |othe...
14:30, 3 June 2012Thumbnail for version as of 14:30, 3 June 2012826 × 1,082 (263 KB)Ineuw