Carriage Clocks were first made in France. They are spring driven fitted with escapement where the balance with hairspring acts as a regulator (similar function as the pendulum clock) These clocks were produced to take on journey or to be moved around the house as they don't require to setup correctly in one place like pendulum clocks. PLATO CLOCK: Also known as “the grandfather of all flip clocks” Plato clocks are the earliest digital displays of time and holds a prominent place in the history of flip clocks @1930s. It has a cylindrical glass case with movement fitted in brass base, having two sets of cards to flip over at appropriate intervals- hours and minutes respectively. (as is condition)