GPS navigation devices have grown over the last several years to many affordable units readily available to any willing consumer. However, did you know that navigation devices were available as early as 1981.

Back in 1981 Honda offered a “non-satellite-guided system." According to GrandJDM, You choose a plastic map from the guide book, insert it into the machine, place an "X" on your current position and then a gas gyroscope measures the car's movement, plotting your course.