JF Ptak Science Books
J.M. Blair (University of Wisconsin). "Improved Current Integrator", in Review of Scientific Instruments, volume 14, no. 3, March 1943, pp 64-67.
Offered with:
Kormes, M. "Integration of Linear Second-Order Differential Equations by Means of Punched Cards". In Review of Scientific Instruments, volume 14, no. 4, April 1943, pp 118.
Entire volume offered, bound in cloth, usual light ex-library markings. $250
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