
Wigwag (flag signals) - Wikipedia
Wigwag (more formally, aerial telegraphy) is an historical form of flag signaling that passes messages by waving a single flag. It differs from flag semaphore in that it uses one flag rather …
Wigwag (railroad) - Wikipedia
Wigwag is a nickname for a type of railroad grade crossing signal once common in North America, referring to its pendulum -like motion that signaled a train's approach.
The Signal Corps - U.S. National Park Service
Sep 15, 2023 · Wig Wag: The Army's "talking flags" A signal system using flags and torches was invented by a U.S. Army surgeon, Major Albert Myer, in the 1850's and adopted by the U.S. …
Wig-wag flags sent messages | Albert Myer | Signal Corps
Jun 26, 2014 · Just before the Civil War, Albert Myer, an obscure telegrapher who became an Army doctor, combined his experience in both fields to invent a means of communicating by …
The Wigwag: Classic Grade-Crossing Signals - American-Rails.com
Sep 4, 2024 · Hunt's innovation aimed to create a visible and attention-grabbing signal that would effectively warn approaching motorists and pedestrians of an oncoming train. The classic …
An Innovative Technology of War - U.S. National Park Service
Aug 23, 2017 · Wig-wag message from E. Porter Alexander at the First Battle of Manassas, believed to be the first time the system was used under combat conditions. A signal system …
Dan's Wigwag Site: Main Page - TrainWeb
Apr 27, 2023 · Trying to track down the last of the old wig wag crossing signals. view photos of existing wigwags still in service and in museums.
Wigwag signal flags (U.S.)
Apr 12, 2016 · Quote: "In 1856 an American army doctor named Albert James Myer (1827-1880) [presented, jm] a system he called wig-wag signaling. He proposed a method of signaling with …
WigWag Crossing Signal - slorrm.com
Wigwag is a nickname for a type of railroad grade crossing signal once common in North America, referring to its pendulum-like motion that signaled the approach of a train.
Wigwag Signal | Trains and Railroads
Wigwag is a nickname for a type of railroad grade crossing signal once common in North America, referring to its pendulum-like motion that signaled a train's approach.