For this #MuseumMonday we thought it was time to look at clocks again! Many large railway station complexes had many clocks in public areas and throughout offices and buildings. It was desirable to have all dials showing exactly the same time and all being changed automatically from a central point especially when the clocks had to be changed for summer or winter time. An electric impulse clock system achieved this and usually consisted of many secondary or ‘slave’ clocks driven by regular elect