he Institute Archives serves as the collective memory of Caltech by preserving the papers, documents, artifacts and pictorial materials that tell the school's history, from 1891 to the present. Researchers will also find here a wealth of sources for the history of science and technology worldwide, stretching from the time of Copernicus to today.		  
Archives Materials

Materials
Collections
Photos
Oral Histories
Finding Aids

Archives Services

Services
Use of Materials
Visiting Us
Contact Info
Staff
Archives Features

Features
Exhibits
Publications
What's Old
Grants-in-Aid
New Items
Acquisitions and Current Projects
Online Oral Histories
 
Search the Archives' Catalog
Basic search finds all items matching any search term sorted by relevance. Example search: Merrill Wind Tunnels

Double quotes find text matching the exact characters quoted. Example: Einstein "video tape"

"+" and "-" include or exclude individual words. +Einstein –Millikan, for example, finds all items that contain "Einstein" but not "Millikan". Note: there is a space character between the two terms. More search help.

Benjamin Franklin Experiments
PhotoNet Image Archive
Benjamin Franklin wrote up his experiments on electricity in the form of letters to the English Quaker Peter Collinson. These were later printed in book form, the 1774 edition being supervised by Franklin himself. Illustration from the Archives' rare book collection.
Photo above is from the Caltech Archives' PhotoNet, an online, searchable database of thousands of images.