This is an experimental tape for J.J. Ray's 1935 tester and polygraph. For related acquisitions see 1979.0853 and 1979.0853. overall: 43.5 cm x 4.7 cm; 17 1/8 in x 1 27/32 in ...
This is an experimental tape for J.J. Ray's 1935 tester and polygraph. For related acquisition, see 1979.0853. See acquisitions 1985.0815 and, 1981.0248 as well. overall: 57.5 cm x 4.7 cm; 22 5/8 in x ...
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