When explaining the turret we often talk about the interruptor drum. Due to its location it is very difficult to see, so here's a video of one prior to install. As it rotates you can see the reliefs for the tails, tail turret gunners enclosure and the propeller... - Warbirds Of Glory Museum / B-25J Sandbar Mitchell Restoration

Old pendulum mechanism in the town hall clock. Tower inside. Clockwork

Close-up view of metal parts of the clock mechanism which is located in the Tower in the historical center of Dresden, Germany

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Quartz Clock Mechanism Kit Long Shaft Clock Motor Movement Repair Part - Walmart.ca