They are notorious for guiding exasperated motorists down footpaths, into ponds or to the wrong city entirely. But the modern-day sat-nav is likely to pose far fewer problems for lost drivers than its 1927 forerunner. The Plus Four Wristlet Route Indicator, which has gone on display at a National Trust house, is thought to be the first navigation device for motorists. picked by AutumnLotus 4 months ago tags earliest wind up satnav plus four wristlet route |
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