PEARCEY, Trevor. Automatic Computation. The Design of the Mk. 1 Automatic Computer [with] Part II. Programmes for an Automatic Computer. Sydney: Radiophysics Laboratory 1951.
Square 8vo. Original blue cloth-backed brown paper wrappers, printed in black, staple bound; pp. 35, 52 and 11 plates, text figures; wrappers chipped especially at corners, very good. Provenance: inside of front wrappers with library labels of Imperial College London, with library inkstamps and deaccession stamps to title pages.
First edition. Very rare. Trevor Pearcey's CSIR Mk 1, built in Sydney, ran its first programs in 1949 and was the fifth electronic stored program computer in the world. It was the first in the Southern Hemisphere. It was notable for a number of novel features, including its then unique ability to play digital music and most especially its speed - it was 1000 times faster than the best mechanical calculator. It can now be seen at the ScienceWorks museum in Victoria and is the oldest electronic computer still extant in its entirety. This manual is extremely rare; it appears never to have been at auction, and no sales records can be found.
Worldcat finds only 2 copies, one in the National Library of Australia and the other in University of Tasmania library.