Prototype Oscillogyro Design Notes and Calculations Book 2

The volume contains dated entries for research notes, schematic diagrams, graphs, calculations using calculus, trigonometry and algebra, circuit diagrams and notes from questions asked by colleagues to record the development of the Prototype Oscillogyro.

D W Alford notes that Brian Thrussell took over responsibility for the development of the oscillograph from 1 March 1969, with D W Alford providing support on request as a consultant.