OTHER DIGITAL MACHINES
FINISHED OR UNDER DEVELOPMENT

The Aiken Mark II Relay Calculator

The Computation Laboratory of Harvard University finished during 1947 a second large relay calculator, called the Aiken Mark II Relay Calculator. This machine is alluded to briefly at the end of [Chapter 10] and is described more fully in the following:

Campbell, Robert V. D., Mark II Calculator, Proceedings of a Symposium on Large-Scale Digital Calculating Machinery, Cambridge, Mass.: Harvard University Press, 1948, pp. 69-79.

Freeland, Stephen L., Inside the Biggest Man-Made Brain, Popular Science, May 1947, pp. 95-100.

Miller, Frederick G., Application of Printing Telegraph Equipment to Large-Scale Calculating Machinery, Proceedings of a Symposium on Large-Scale Digital Calculating Machinery, Cambridge, Mass.: Harvard University Press, 1948, pp. 213-222.

The Edsac

The Edsac is a machine under construction in England.

Wilkes, M. V., The Design of a Practical High-Speed Computing Machine: the EDSAC, Proceedings of the Royal Society, series A, vol. 195, 1948, pp. 274-279.

Wilkes, M. V., and W. Renwick, An Ultrasonic Memory Unit for the EDSAC, Electronic Engineering, vol. 20, no. 245, July 1948, pp. 208-213.