Box MS-006 Box 2

Scope and Contents Letter provides a detailed update of progress at Thumba, notes that the magnetometer worked well for the flight 20.05 data reduction, notes a drawback in data reduction system and reiterates request for muirhead tunable frequency analyser, also mentions efforts to set up a programme for IBM 1620 to calculate theoretical field for flights from Thumba and attempts to debug programme; mentions that Hurtwitz of Coast and Geodetic Survey, Suguira of University of Washington, and Cahill have...