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Lowly corn cob has many uses. Thanks to successful experiments of the Department of Agriculture, corn cobs can now be made into many valuable by-products. Dr. W.W. Skinner is shown pointing to a block of heat insulating material made from corn cob. Next to the corn cob are samples of by-products, including furfural, lignin, ethyl alcohol, cellulose, xylose, adhesive, acetic acid, glucose, carbon and a printing plate made from phenol-furfural resin. In front of the cob are skeins of rayon dyed with colors made from lignin of the corn cob, 112030
Summary
A black and white photo of a man in a store, Library of Congress Harris and Ewing collection
Title and date from negative or negative sleeve.
Gift; Harris & Ewing, Inc. 1955.
General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pnp/pp.hec
Temp. note: Batch three.
The Harris & Ewing, Inc. Collection of photographic negatives includes glass and film negatives taken by Harris & Ewing, Inc., which provide excellent coverage of Washington people, events, and architecture, during the period 1905-1945. Harris & Ewing, Inc., gave its collection of negatives to the Library in 1955. The Library retained about 50,000 news photographs and 20,000 studio portraits of notable people. Approximately 28,000 negatives have been processed and are available online. (About 42,000 negatives still need to be indexed.)
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