Prague’s leafy central suburb of Karlín may best be known outside of the Czech Republic for the devastating floods that laid ruin to it in 2002, but much of the world has been using the machines and products born of Karlín factories for more than a hundred years and aside from that it is also Prague’s oldest suburb – a point recalled by an exhibition being held this year at the City Museum in Prague that was created by historian Dr. Zdeněk Míka.