JF Ptak Science Books
Louis R. Maxwell (Bureau of Agricultural Chemistry and Engineering, U. S. Department of
Agriculture, Washington, D.C.) "An Electrical Methods for Compounding Sine Functions", in Review of Scientific Instruments, Volume 11, No. 2, February 1940. Pp 47-54. The entire volume for 1940 offered, bound in cloth. Ex-library, with the usual markings. $195
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