sherman-the-first-americans_page_39

sherman-the-first-americans | page 39 | https://thedailydialectics.com/pdfs/sherman-the-first-americans/sherman-the-first-americans.pdf

and a trip to the Marconi Wireless Company’s fac- tory in Chelmsford. They also were guided through the navy’s underground facilities for its communica- tions and saw its center for taking the high-frequen- cy direction-finding (HF-DF) bearings received from its field sites and correlating them…