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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 70,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World to soldiers’ letters from World War II and Vietnam. Explore primary sources, visit exhibitions in person or online, or bring your class on a field trip.

Diamond, Sidney (1922-1945) to Estelle Spero

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Gilder Lehrman Collection #: GLC09120.049 Author/Creator: Diamond, Sidney (1922-1945) Place Written: Edgewood Arsenal, Maryland Type: Autograph letter signed Date: 23 June 1942. Pagination: 4 p. ; 18.5 x 27 cm.

Summary of Content: Describes a simulated "moving up" maneuver that the company had carried out early in the morning. Sid then goes on to detail the rest of the day's events which included a lecture on meteorology, a session on map-reading and map-making and a session on the impact of different weather conditions on chemical operations.


Historical Era: Great Depression and World War II, 1929-1945

Subjects: World War IISoldier's LetterMilitary HistoryScience and TechnologySurveyingWeaponryEducation

Sub Era: World War II

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