THE TWISTOR 1337 



vertical magnetic wires — - much like a window screen. Preliminary ex- 

 periments have shown that single cross wires do operate successfully. 

 The operation of this array would be analogous to a core memory ar- 

 ray. Physically it could look just like a core array — but without 

 the cores. 



ACKNOWLEDGEMENTS 



The author wishes to acknowledge the help of R. S. Title in obtaining 

 the memory array data, R. A. Jensen in constructing the test jigs, and 

 D. H. Wenny, Jr. in supplying the wire samples. The discussions with 

 my associates, in particular D. H. Looney, R. S. Title, and J. A. Baldwin, 

 have been very helpful. The writer would like to acknowledge the in- 

 terest and encouragement shown bj^ R. C. Fletcher. 



APPENDIX I 



From Fig. 10, for bulk circular flux reversal in a composite wire, the 

 induced voltage V(r) for a wire length / is 



nr) ^lir.-nnC^-p) 



lir2 - n)lC 



10 , < r < n, 



(26) 

 ?'i < r < r-i. 



For a solid magnetic wire of radius r- 



F(0) = C^) 10-^ (27) 



Therefore, 



V(r) = l-^^) V(0), < r < ri , 



(28) 



In general, the resistance of a tube of wall thickness dr is /?(/•) = pi/ 



