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The 1920s satnav … and other weird and wonderful gadgets that never quite took off… via Land-o-links.

CLOCKWORK TEASMADE – Patented in Birmingham in 1902, this brass and copper tea maker was the first Teasmade. The alarm clock triggered a switch and a match was then struck against moving sandpaper, lighting the spirit stove under the kettle. Once the water boiled, the steam pressure lifted a hinged flap and the kettle would tilt, filling the teapot beneath. Finally, a plate would swing over the stove, extinguishing its flames.