File:A18 Humberside Airport Runway WigWags - Coppermine - 13510.JPG - Roader's Digest: The SABRE Wiki
Civil War Times Magazine - This detail from “A Manual of Signals” by Albert Myer shows his signal system of using flags, which became know as the "wig wag" system. Myer, using
![Vehicles ignore wig-wag lights at Droitwich Fire Station - News | Hereford & Worcester Fire and Rescue Service Vehicles ignore wig-wag lights at Droitwich Fire Station - News | Hereford & Worcester Fire and Rescue Service](https://www.hwfire.org.uk/assets/files/pump-passing-wig-wag-lights-dsc7187-w320h240.jpg)