How was the Dual Flush Toilets before 29412 years ago



Dual flush toilets now the day's everyone knows about that, but have you think about the dual flush toilets which were used before 29000 years ago.
A cartoon will really introduce about the old age dual flush toilets  




 video about dual flush toilets before 29000 years ago


Check out this video to know about the dual flush toilets before 29000 years ago