Possibilities of cutting timber from a log with reference to position of grain

Possibilities of cutting timber from a log with reference to position of grain

Glass lantern slide of an illustration with the caption, "Fig. 2 - Possibilities of cutting timber from a log with reference to position of grain." Reproduced from “Timber: an elementary discussion of the characteristics and properties of wood” by Filibert Roth. Washington, D.C.: Dept. of Agriculture, Forestry Division, 1895. Bulletin (United States. Division of Forestry) no. 10. No label on slide. Used to illustrate the course "Materials of Engineering Construction" which was taught between 1893-1950 at the Wagner Free Institute of Science, Philadelphia, Pa.

Wagner Free Institute of Science

1895

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Lantern Slides

image/jpeg

LS0026

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

Wagner Free Institute of Science

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.