Physical and Intellectual Measurement
168 objects illustrate this topic:

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"Large family" winner, Fitter Families Contest, Eastern States Exposition, Springfield, MA (1925): National intelligence tests, multiple pages (#149)
Leonard Darwin letter to Karl Pearson about disagreement over a mathematical realtionship between stature and environment (9/11/1916), multiple pages (#2144)
L. Frank response to W. Todd, about x-ray study (#891)
"Likenesses of 6 different Roman Ladies and the composite of them in the centre" (from coins), by Francis Galton (#2226)
"Love in its anatomical connections" (#633)
Male anthropometric case, from "100 College Boys," Tuskegee Institute, Alabama (measurements, dental chart, and photograph), multiple pages (#2497)
Male anthropometric series (1927-29), Brooklyn Orphan Assylum, observed by "CBD" (Charles Benedict Davenport) (#2496)
Male twins undergoing spirometry by Otmar Freiherr von Verschuer (#2267)
"Massachusetts department of mental diseases exhibits pictures of 59 criminal brains" (#567)
Measurement of physical and mental traits (#555)
"Mental and Physical Traits of Identical Twins Reared Apart," by H.H. Newman, Journal of Heredity (vol. 25), multiple pages (#2302)