Cells of maple wood attacked by fungus threads (Nectria cinnabarina Mayer)

Cells of maple wood attacked by fungus threads (Nectria cinnabarina Mayer)

Glass lantern slide of an illustration with the caption, "Fig. 36 - Cells of maple wood attacked by fungus threads (Nectria cinnabarina Mayer). Section of three wood fibers showing the threads of the fungus branching in their cavities and consuming the starch stored in these cells. a. interior or cavity of cells; b. threads of the fungus; c. partly destroyed starch grains; d. dead portions of the fungus thread together with debris; e. holes bored by the fungus through the cell walls; S. starch grains just being attacked." 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

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LS0029

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.