This collection consists of two sets of lantern slides of images of early maps of the Rochester area. A few slides show political cartoons and photographs of early Rochester. The origin of this collection and the date of its creation is unknown, but some of the maps and images contained therein may be unique.

Mathematical table of sine, cosine, tangent, and cotangent values belonging to Hiram D. Harris, RPI Class of 1923.

This folder contains a paper headband worn at an RPI Alumni Reunion. It features a large RPI seal on the front. "Compliments of The Union National Bank Troy, NY" is printed on the back.

RPI Professor Edward R. Cary's "A Short Lecture Course on the Construction of Diagrams for The Div. B - C.E. Students at R.P.I." Cary was RPI Professor of Surveying and Railroad Engineering, and his typescript lists the kinds of diagrams presented in the course, such as comparison and conversion diagrams, alignment diagrams, and logarithmic diagrams.

Original ink and watercolor cartoon by Randy Rumpf depicting RPI men's ice hockey. Item measures 34.5" wide by 23" high.

This poster advertised a weekend event including film showings, workshops, and lectures regarding women in history, feminism, and women's rights.

A spiral bound proposal to the Dormitory Authority of the State of New York for building construction and renovation on the Rensselaer campus.

Wilma K. Smith was a Pennsylvania native whose family migrated to Penn Yan during her childhood and who attended the Rochester Business Institute (RBI) in the early 1920s. This collection consists of a single scrapbook that Smith maintained during her time at RBI, through her post-graduation life up to her wedding day. The scrapbook includes autographs from her classmates at RBI, programs and memorabilia from events she attended, newspaper clippings, calling cards, greeting cards, and business cards.