Photos

Here are movies of the clock striking 12 noon in WMV format,
and 7 o'clock in two formats: (7pm WMV) or (7pm AVI)

pigeon_hands1.jpg


The clock.


view of the "quarters" end.


view of the "strike" end


closeup


closeup


The double three-legged gravity escapement.


This is the platform on the pendulum where the brass adjustment weights are placed. Note the infrared sensor mounted on the wall behind the pendulum shaft.


This is the set of adjustment weights. The largest is 10seconds per day, the smallest is 5ms/day.


The plaque from the Bentley clock (the second of the three Trinity clocks).


Grimthorpe's bequest.


The nameplate of the clock - Smith of Derby, 1910.


This is the only place you can read the clock to the nearest second - the face has no second hand.


the weights are suspended off these pulleys


The weights go down here.


Winding the clock with the winding handle.


This is where the driveshaft goes out to the clockface.


The data-logging PC, running Linux.


The clock and the Keeper.


Pigeons standing on the hands - photo courtesy Ian Galloway.