Crossley installed a longer version of the cable that Marriott had designed .
In October , 1919 Commander Hooper instructed A. Crossley , an expert radio aid , to develop and test the concept on a larger scale at the New London Naval Base .
A. Crossley installed a longer version of the cable that Marriott had designed .
In October , 1919 Commander Hooper instructed A. Crossley , an expert radio aid , to develop and test the concept on a larger scale at the New London Naval Base .