Notable collections

Timoschenko Collection

Stephen P. Timoshenko Collection

Books from the collection of Stephen Prokofyevich Timoshenko (1878-1972), often referred to as the father of applied mechanics in the United States.

Durand-Lesley Propellers

The Durand-Lesley Propeller Collection

The Durand-Lesley propellers are the surviving artifacts of an experiment in early aviation history which defined a methodology still in use today.

Fred Terman

Frederick Emmons Terman Book Collection

The books in the Terman collection represent Dr. Terman's personal copies of editions of his works in English and foreign language editions presented to him by friends, translators or publishers.