Classified complete list of drawings made by Mr. Upton Sinclair in his
experiments with Mrs. Sinclair, plus those by his secretary, mostly
diagrams, and the seven by her brother-in-law, from July 8, 1928, to
March 16, 1929, inclusive, being the period covered by his book.
Diagrams, Etc.
Asterisks—five. Circles—five small, Circles—ten small, Circles—six
concentric, Circles—three interlinking, Circle and Center, etc,
Crescent—approximate, Cross—pattée, Cross—swastika, Cross—swastika,
Cross—eight arms, notched at ends, Diamond, Heart, Hexagon,
Horn-shaped figure, Oblong—vertical, Oval—over larger oval and
touching it, Spiral, Spiral, Squares—four concentric,
Star—odd-shaped, Star—six-pointed, Triangles—three concentric,
Wheel—figure like rimless.