These materials include:
1. a group of twenty-one paper tapes that are examples of the results of the tests conducted by Dr. Gibson in his studes of graphing dendrochronology data. The graphs are test results for different types of wood from different times.
2. a group of fifteen adding machine tapes, each 10 cm. w. x 11 cm. d. x 7.5 cm. h. These have numerical data entered.
3. two negatives taken from a publication which used the statistical tables and graphs from the dendrochronology studies. Only pages 24, 25, 28 and 29 are represented.
See other materials in accession 1987.0694.
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