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Opened in 1894, Tower Bridge was one of the finest examples of the practical application of steam-generated hydraulic power. It was initially equipped with two compound steam engines, one of which is seen above, preserved as an exhibit for those touring the bridge today.
The roadway sections of the bridge that open weigh over 1,000 tons. To open the bridge in a smooth, controlled manner took a considerable amount of power.
The engines were located in the vaulted engine house on the south side of the River Thames. Each engine drove two sets of hydraulic ram pumps which forced water into hydraulic accumulators. The water was stored at a pressure of 750 psi, ready to be delivered through a system of pipes to the eight hydraulic engines. There were four on each side and they were located in the bases of the two main towers of the bridge.
As with most Victorian plant, there was plenty of spare capacity. The bridge could be opened using only one of the steam engines and two hydraulic engines.
A cog wheel on the main shaft of the hydraulic engine engaged in a quadrant attached to the bascules, so effecting the lift. For one descent of the plunger in the accumulator, the bridge could be opened and closed twice. Thus when the bridge was opened infrequently, an engine only needed to work intermittently. On busy days, one steam engine would be kept running continuously at 10–15 rpm, keeping the accumulator topped up at all times.
A third steam engine was added to the arrangement in 1941. When the bridge was converted to electrical power in 1974, this third engine was removed to the Forncett Industrial Steam Museum in Norfolkshire where it can still be seen today.
The engine and room are very colourful, but I felt that this distracted from some of the engineering detail, hence the monochrome image above.
Complete with a 1 shedplate for Derby Midland shed, Midland compound 1000 stands inside Barrow Hill roundhouse
Turnhalle auf dem Dachboden einer ehemaligen GSSD-Kaserne in Ostdeutschland / gym in an attic within an abandoned, former soviet military compound in eastern Germany
A meadowhawk close up. The background bokeh is blue hydrangea.
Please try a larger size. You can see its compound eyes clearly.
アキアカネのクローズアップ、背景は青いアジサイです。
手持ちですが、複眼が写っています。大きいサイズで見ていただくとはっきりわかります。
I spent time this morning in the waiting room of the local family medical center. We've all been in that situation. That sort of pensive time you spend waiting while absolutely nothing is happening. I occupied myself, as I often do, by studying every single object in the room. I was intrigued by a series of photos hanging on the walls. Local scenes, no doubt intended to show oneness with the community. However they seemed entirely pedestrian. I got the sense that someone went around and took all of the photos on the same day, simply driving from one place to the next in succession, as if checking all of the boxes on a form. The results were less than inspired. Almost like passport photos of places rather than people. I got to thinking about what separates those photos from what you or I do. It occurred to me that one way to avoid banality is to shoot ordinary scenes under extraordinary conditions. I don't come to a place like this to shoot documentary style photos for Findagrave.com. My purpose is to capture scenes of sensitivity, feeling and sentiment. This is one of those images that has come to haunt me, not in a sense of ghosts, but in an overwhelming feeling of dismal sadness. I was somehow able to leverage what was visible to the eye with how it felt to be here. You can't point to just one element; it's multi faceted. The ground fog was certainly a component, the sense of being closed in. Somehow the subtle angles of the grave markers plays into the feel. I'm not sure why, but I just know if the stones were all perfectly plumb and vertical it wouldn't have the same feel. This is the downslope end of the burial ground, right at the eastern boundary and adjacent to a wetland. I often try to work that boundary line into the image. In these parts it's often a gray area where the graves transition back into nature. I love surfing along that boundary and trying to capture a sense of it.
original drawing & painting by: Bill Rogers
Please visit Man Cave With Angelic Doctor and all my
recent works.
This beautiful visitor on a very pink Geranium in my mother-in-law's garden outside Härösand, Sweden, is a female yellow-clubbed glasswing (Scaeva selenitica), also known as the yellow-bowed smoothwing.
Things worked out very well when shooting this one and I am very happy with the level of detail on the compound eyes there.
Part 1 from the side here: www.flickr.com/photos/tinyturtle/53828688564/
Part 2 straight from the front here: www.flickr.com/photos/tinyturtle/53844111183/
Part 3 showing the yellow "clubs" on the abdomen here: www.flickr.com/photos/tinyturtle/53975565174/
Part 4 is a portrait shot here: www.flickr.com/photos/tinyturtle/54046572901/
Abandoned sanatorium CE , Rolling with
Pere73,marcosz83 and Teo, a great crew and lots of fun and exploring,
Another non hdr shot just a little touch up on the light.
100 ish shots with a microfiche viewer lens on extension tubes + bellows focus stacked.
Very shallow depth of focus and quite low contrast mean this has been shopped to death and cropped to get an acceptable image. What to do next with no money?
Taken with Canon EOS 5D + Schneider Componon S 35mm/f4 reversed on bellow, flash, paper cylinder diffuser, stacked with Zerene (mix of PMax and DMap)
Brace height: 7 inches
Length of Pull: 261/2in -30in
Draw weight: 60-80lbs
FPS: 300-370 fps
____________
Sorry got lazy and didn't make any arrows.
Credit: The Wezzy- Color
Pastie:http://pastiebin.com/517214c9bdcf3
ONLY ONE PART!
is getting a bull's eye!!!
Taken during the June archery shoot at Nevada County Sportsmen Club, 2023.
tiny watercolor doodle for "Alice" at Compound Gallery, Portland.
A group show featuring art inspired by "Alice in Wonderland."
***March 6th through 31st 2008***
*sold*
What's not to love about the Tehachapi Mountains...?
Southern Pacific 9823 and 9822 (both SD70M) work a long manifest freight past Keene on March 31, 1995. I was sitting on a blooming meadow, the high spring sun bathing the landscape in bright shades of lush green.
The settlement is the 'Cesar Chavez compound'. Chavez was a union leader and access to the area was restricted at that time.
We arrived at the research compound and found SGT Krutch deceased--we were a few hours too late. All his tattoos were gone to waste. Shame.
We started taking fire as we approached the gate so we held back to rethink our ingress plan.
This place would challenge us in ways we aren't prepared for.
This Biomax Research compound was thought to have the serum that could reverse the effect of zombification, or provide an anti-body. Unfortunately, despite having these cures, someone from the C.D.C. was blocking the distribution, and Biomax was locked down like Fort Knox.