Simple but Startling Arithmetic - Stanley Petrick of Lexington, a mathematician, contemplates the addition on the glass and his triplet daughters who were four hours old at his visit to the Boston Lying-In Hospital. Girls were born yesterday morning and couple has another daughter Mary, 3.

Digital Commonwealth — Boston Public Library

Simple but Startling Arithmetic - Stanley Petrick of Lexington, a mathematician, contemplates the addition on the glass and his triplet daughters who were four hours old at his visit to the Boston Lying-In Hospital. Girls were born yesterday morning and couple has another daughter Mary, 3.

[ca. July 1960]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Incubators

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