Scope and Contents Consists primarily of photographic reproductions (some with photo-negatives) plus a small number of original stereoscopes. The images feature scenes of the northwestern region of Pennsylvania--most were used to illustrate the book, Early Days of Oil, by Paul Henry Giddens. Images include: maps of the region; scenes of oil farms and drill sites, oil towns, refineries; drilling methods and equipment; transportation methods, etc; Many of the photographic images and their negatives were...