"Defined by a Definite Integral or Contour Integral, Dictionary of Conformal Representations " Part 1, Dictionary of Conformal Representations " Part 5, Dictionary of Laplace Transforms " Part 2A & Part 2B.

4to Large. The Admiralty Computing Service was created in 1943 as an offshoot of the Nautical Almanac Office and was designed to centralize computation within the Admiralty. By 1947 the ACS had performed over one hundred investigations besides dealing with inquiries which required only advisory assistance. Though the ACS was hindered by its limited personnel, machines and scope (officially its services were restricted to the Admiralty), it was an important step along the road to Britain's first national computing centre the National Physical Laboratory Mathematics Division. These five typescript were published 1944 to 1948. The copies of author Professor L J Mordell. Contain orginal Admiralty slips. Important references for British computing.