About
Title
Microscopic sections of Sandstone & Chert
Subject
- Civil engineering--Materials
- Lantern slides
- Sandstone
- Chert
Description
Glass lantern slide of photomicrographs of Sandstone and Chert. Printed label: “Williams, Brown & Earle, 918 Chestnut St., Philadelphia, U.S.A.” Handwritten title on label and tape: "Sandstone & Chert." Used to illustrate the course "Materials of Engineering Construction" which was taught between 1893-1950 at the Wagner Free Institute of Science, Philadelphia, Pa.
Original Format
Lantern Slides
Contact
Wagner Free Institute of Science Library & Archives. 1700 W Montgomery Ave. Philadelphia, PA 19121. Contact the Library at 215-763-6529 x12 or library@wagnerfreeinstitute.org
Contributing Institution
Wagner Free Institute of Science
Sponsorship
This Digital Object is provided in a collection that is included in POWER Library: Pennsylvania Photos and Documents, which is funded by the Office of Commonwealth Libraries of Pennsylvania/Pennsylvania Department of Education.
