Microfilm
For highlights of OU's microform holdings related to scientists' works, browse here: Microforms
Modern Critical Editions & Facsimiles
Keep in mind that many books are available in modern editions or facsimiles. Browse these pages for example of individual works as well as thematic collections: Critical Editions & Facsimiles (individual authors) & Critical Editions & Readers (multiple authors)
Digitized Books at OU
Many items from the History of Science Collections are digitized. Browse/search for these here:
Digitized Books Beyond OU
For information about digital collections and resources beyond OU, see: Online Resources Beyond OU Sources
If you are looking for a work by a particular scientist (article or book), it is likely that there is a copy in the History of Science Collections or somewhere in OU libraries. A scientist's works may be accessible through a variety of formats: print, microform, E-book, or digital access through the databases in the OU catalog or OU's Digital Collections.
Browse the History of Science Primary Sources Guide for tips on finding primary source materials. It includes topical print guides, bibliographies of published works and examples of modern critical editions and facsimiles available in OU Libraries.