View allAll Photos Tagged ClockTower
HP5+
Voightlander Bessa R
f2.5 35mm Color Skopar
D76 1+1
I took a shower while washing two rolls of film, and as a result, the wash got hotter than I wanted it to be. The contrast and grain went out of control and some smudging happened. Still happy with the results. Better living through chemistry.
Looking up at the Stewart Clocktower at Western Michigan University.
Photographed with a Nikkor 10.5mm fisheye lens and defished with Nikon Capture NX.
The Clocktower that sits in the heart of Riverfront Park is the only structure remaining from the train depot that used to operate in the park's present location.
Clocktower in St. Anne's Park, Raheny, Dublin. This was restored to working order in 2007 and the time shown is correct (am).
This is a famous hotel in St Moritz, Switzerland, right beside the lake. The lovely old clocktower is further away from the hotel than it looks in this shot.
Clocktower Through Atrium at Minshull Street Crown Court, Manchester, UK. A gothic Venetian building designed by Thomas Worthington during the reign of Queen Victoria. Built early to mid 1870s.
See where this picture was taken. [?]
Originally posted to the Guess Where London group on 22-03-08.
The machinery inside the clock is a recent replacement of the original workings and is quite a complicated affair described below.
The heart of the Clock is a complicated system of gear wheels
located within a large cruciform metal framework at the center
of the Tower. The true ‘engine’ of the entire timepiece, this can be
broadly divided into 4 distinct sections; along with these there is
the machinery for the astronomical clock face and the workings
of the clock barrels. Also known as ‘clock trains’, these 4 sections
are similar in appearance and basically comprise: a barrel around
which is wound a chain (formerly a rope) to which is attached the
motor weight (100 kgs); an intermediate wheel; a rotating fan that
serves as an aerodynamic brake to regulate the weight’s speed of
descent and thus the interval between clock strokes.
The fans are equipped with a ratchet that makes a very
recognisable sound; this is activated at the end of each series of
strokes and serves to disperse the accumulated kinetic energy
when the rotating mechanism comes to an abrupt halt.
The clock train transmits the impulses which enable the pendulum
to continue its isochronic oscillations. It also comes into play at
fixed intervals to trigger the other trains of wheels and pins.
By means of thin vertical rods, it activates the barrel machinery
every 5 minutes; as a result the minute barrel rotates through 30°
(1/12 of a turn). Every 60 minutes, the hour barrel does the same.
Upon each hour, the train mechanism for the Two Moors is
activated. Two minutes before the hour, the Moor on the right
strikes the bell; two minute after the hour, it is the turn of the
Moor on the left.
This is why the mechanism is described as a ‘re-striking’ one. With
the hammers they hold, each Moor strikes the bell on the top of
the tower a total of from one to twelve blows, depending upon the
hour. Finally, every 12 hours, the 132-stroke train is set in motion.
These 132 ‘meridian’ strokes occur at midday and midnight before
the Moors strike the bell. They are rung by 2 supplementary
hammers placed around the circumference of the bell; the number
of strokes corresponds to that of the strokes hit by the two Moors
in the previous 11 hours. The barrel mechanism also operates the
astronomical machinery via the Moors wheel, which goes through
a complete rotation every two hours, and a 22-tooth pinion. This
latter goes through 12 rotations a day, turning all 264 teeth (22×12)
on the large wheel, which turns the sun clock-hand through one
entire circuit per day.
Finally, via a return mechanism and a long axle under the clock
machinery, the Barrel Mechanism also operates the hour hand on
the clock face giving onto the Mercerie.
The whole thing is driven by means of 5 train mechanisms,
periodically recharged by the raising of the weights.
The pendulum and the anchor escapement regulate the perfect
release of energy, so that the mechanism works in a constant, even
manner. Still perfectly functional, the entire structure dates back
to 1753-57, when Bartolomeo Ferracina significantly modified the
original machinery built at the end of the 15th century by G. Carlo
Ranieri.
A lil photos I shot at the Clocktower Rail jam!big thanks to Top of the world and Half Cab for the great event!