googletag.cmd.push(function() { googletag.display(‘VN_PG_DTAT_ATF’); }); In today’s tech-savvy, on-demand world, the idea of talking dolls as a technological breakthrough just seems weird. But back in the late 1800s, the mechanical toys were at the height of consumer electronic achievements. And the man responsible for them? Well, of course it was the great Thomas Edison. Inside each of these talking dolls was a tiny tin phonograph cylinder that played a prerecorded lullaby or nursery rhyme. National Park Service googletag.cmd.push(function() { googletag.display(‘VN_PG_DCBM_BTF’); }); This is what the internal mechanism that […]