Janet's Left Step Periodic Table
There are the three versions of Janet's left step PT. He tried out versions I and II in his April 1928 paper, and rejected them in favour of version III in his paper of November of the same year. Each one was derived from a helix drawn on nested cylinders. Information supplied by Philip Stewart. Click each image for a larger image:
|Periodic Table, What is it showing?||
© Mark R. Leach 1999-
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