Impact and Shock Resistance of Plastics Project : John Edwards and Robert Penny with pendulum-type machine used for testing plastic test piece, 1957 January.
| Date: |
1957-01 |
| Description: |
North Carolina State University. College of Engineering |
| Creator: |
Peedin, Mack (Photographer) |
| Original Format: |
Black-and-white print (photograph) |
| Rights: |
Rights status not known. Reproduction and use of this material may be restricted. For general information see the NCSU Libraries Special Collections Research Center website (http://www.lib.ncsu.edu/specialcollections/research). |
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