Page "Battle of the Beams" Paragraph 17

When Jones mentioned the possibility of bombing beams to Churchill, Churchill ordered more investigation.

The British codenamed the system " Headache ".

However, many in the Air Ministry did not believe that the system was actually in use, and Frederick Lindemann, leading scientific adviser to the government, claimed that any such system would not be able to follow the curvature of the Earth, though T S Eckersley of the Marconi company had claimed it could.