Jastrow, Joseph, 1863-1944 · Boston ; New York : Houghton Mifflin · leaf 316
Fig.16a Fig. 166. Figs. 16, 16ff, and 166. — How many blocks are there in this pile ? Sixor seven ? Note the change in arrangement of the blocks as they changein number from six to seven. This change is described in the text. Figs.16a and 166 show the two phases of a group of any three of the…
Parapsychology · Psychology · Spiritualism
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