As transportation methods increased in speed during the late 19th and 20th centuries, travelers sought new means for communicating while on land, sea and air. The post Before Mobile Phones: Train Phones, Telegraphs and Other Mobile Communications appeared first on IEEE-USA InSight.| IEEE-USA InSight
Special purpose Allied solutions, combined with leadership acumen, meticulous planning, deception, the resistance of European citizens, and the bravery of soldiers, contributed to the success of the D-Day landings.| IEEE-USA InSight