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cubuilt engineers, pune, india, logo, welding positioners , welding rotators, welding column and boom, welding SPM, special purpose machines
The first thing you see on most retail websites is something they want you to remember. The last thing you see is what they hope you will buy.
Clint McClain
Deshler is well known for the multiple historic B&O color position light signals (CPLs) still in use in the area. Here the signal on the SE wye patiently waits for the next train.
CSX SE Wye
Deshler, OH
The engine is seen alongside the Edwardian horse ramp that is a feature of the building, with the model boat display case to the right.
She likes to hang over my shoulder, and she only really likes my left shoulder, could be something about the bone in her belly :)
This building is near Direlton and housed a searchlight to illuminate targets in the Firth of Forth for the near-by Fidra Gun Battery.
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Suisse | Berne
Suisse | Berne
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New Jersey Air National Guard Composite Wing Flyby (KC-135 & (2) F-16s). This flyby simulates mid-air refueling. The F-16's are from the NJ ANG 177th Fighter Wing and the KC-135 is from the NJ ANG 108th WG.
Strobist: Lighting 102 assignment 1.2
SB26 about 5 feet away, 45° to camera right, fired optically by built-in flash (set on lowest power and diffused/deflected with a "flashclip")
Evento de apresentação do iGestão do Processo de Vendas. Visite www.positioning.com.br para saber mais.
As a second roll of negative color film with my new camera Pentax 17 (see below for the details about the camera), I loaded a more regular 36- exposure Kodak Gold 200 cartridge and exposed the film for its nominal 200 ISO over two weeks from May 15 to June 1st, 2025 in Lyon, France and the surroundings.
The Pentax 17 was equipped with an Anti-UV or polarizing filter as indicated below . For the camera transportation, I used a small camera bag ThinkTank « Mirrorless Mover 5 » that was well protecting the camera from possibly damaging vibrations when using my bicycle.
The expositions were automatically metered by the camera system using the « P » program modes with, or without, flash. For very bright scenes the exposition was corrected by +0.3 to +1EV to compensate the biais induced (and reversely -0.3 to 0.7 EV for very dark scenes to objects). The Pentax 117 light sensors being behind the filter, the filter is then automatically compensated.
A boat tour from Albigny-sur-Saône to Port Bernalin, May 15, 2025
01600 Reyrieux
France.
After completion (75 frames), the film was processed by a local lab service using the C-41 protocol.
Single-frame digitizing was made using a Sony A7 camera (ILCE-7, 24MP) fitted to a Minolta Auto Bellows III with the Minolta slide duplication accessory and Minolta Macro Bellow lens 1:3.5 f=50mm at approximate reproduction ratio of 1:2. The diffuse light source was a LED panel CineStill Cine-lite.
The RAW files obtained were inverted within the latest version available of Adobe Lightroom Classic (version 14.3.1) and edited to the final jpeg pictures without intermediate file. They are presented either as printer files with a frame or the full size JPEG's together with some documentary smartphone color pictures.
About the camera :
Since last Christmas 2024, it was on display in the middle of « reusable » cheap camera’s in the window of my local photography store. But this camera is not cheap and sold at 10-times the price of those « reusable » film camera’s. The Pentax 17 is a novel film camera released by Pentax (a brand belonging to Ricoh Imaging, Japan) in June 2024.
The history of « Pentax » name is still something worth to mention. After the WWII, in Dresden (that was heavily destroyed by the bombing of Feb. 13-15, 1945), Germany, The Zeiss Ikon company could not produce anymore the legendary original Contax (a high-reputation professional range-finder 35mm released in 30’s) camera that was taken by Russia and transferred to Kiev, Ukraine, in the USSR. However the brand name Contax survived and the German engineers designed something completely new within several years : the Contax S (S for « Spiegel mirror reflex ») that integrated a pentaprism for a full redressed reflex viewer observation. Zeiss Ikon Dresden registered to new trademarks derived from the words « Pentaprism » and « Contax » that were « Pentax » and « Pentacon ». If Pentacon became the new name of the company in Dresden, the trademark Pentax was bought by Asahi Optical Company in Japan, and became a formidable industrial and commercial success. Asahi Pentax, then Pentax alone, produced amazing quality camera’s including the legendary « Spotmatic » (a 35mm SLR) and stunning medium-format camera’s heavily used by professional photographers. Many of these camera’s of the past century are still operative and appreciated by film photography enthusiast’s.
Production of film camera’s vanished progressively in the mid 2000’s, as digital camera’s became of better quality and finally of generalized appliances in photography. The Pentax 17 was introduced to the market in June 2024, it was a big surprise for all the film photography lovers. Seeing a newly engineered brand-new film camera was a sort of renaissance of the film photography today of a growing interest worldwide.
The camera is a « half-frame » format on the traditional double-perforated 35mm film giving 17x24mm photograms. This format was not as popular as to classical 24x36mm (full-frame) format of most of the 35mm camera’s. However famous and quality half-frame camera’s were produced in the past including, the long series of Olympus Pen for example. Then, the Pentax 17 immediately attracted the attention of experimented film photographers and camera collectors, probably more than the officially targeted customers of the younger generations. Less than a year after, the future of the Pentax 17 and the film photography project of Pentax is questioned today. The chef-engineer who conducted the project in Ricoh company recently left and the marketing of Pentax 17 is now a question.
This finally decided me to buy an exemplary from my local shop and to discover this strange machine. The camera is of course guaranteed, even with a there-year extension after the camera registration on the Pentax website. The whole ergonomic is clearly derived from classical past 35mm camera’s with a fully mechanical film advance and rewind, a collimated Albada viewer, no digital display at all, only levers, barrels, crank and wheels… However inside is a automatic electronic exposure system with flash, the focusing is manual but the electronic mechanism moves the whole optical group with a micro motor.
The lens is a Cooke triplet 1:3.5 f=25mm equivalent to a 37mm of a 24x36mm format. The Cooke triplet is a photographic lens designed and patented in 1893 by Dennis Taylor who was employed as chief engineer by T. Cooke & Sons of York. It was the first lens system that allowed the elimination of most of the optical distortion or aberration at the outer edge of the image. It likely for this reason that the lens is unscripted curiously « Traditional » on the front lens ring… It is known that a Cooke triplet lens could give surprisingly good results with only three separated optical elements. The Cooke Triplet is still widely used in inexpensive cameras, including variations using aspheric elements, particularly in cell-phone cameras. The Cooke triplet consists of three separated lenses positioned at the finite distance. It is often considered that the triplet is one of the most important discoveries in the field of photographic objectives
The lens receives 40.5mm diameter thread filters that I use for my Zorki / Leningrad lenses Jupiter-8 2/50mm, Jupiter-11 4/135mm and Jupiter-12 2.8/35mm. The metal shade hood Minolta D42KA could mounted on the filter but I have to check is there is vignette induced.
The camera size is close to the original dimensions of a thread-mount Leica (called also the original Barnack Leica) which are, in a way, a sort of « Gold » size in the 35mm camera’s. I compared with my Zorki 1D year 1954 that is a straight reproduction of the Leica Iic. The upper deck of Pentax 17 is designed very clearly as a classical 35mm and we even find the original logo of Asahi Optical Company. The rewind crank is also a revival of past design seen on old Pentax SLR as my year-1971 Spotmatic SP in this seres of pictures.
The Pentax 17 is very light (about 300g) compared to those old ancestors that weight easily the double or the triple. It is then an effortless camera to carry. The Pentax 17 fits in the small ThinkTank bag (called « Mirorless Mover 5 ») that I recently bought to safely carry a film back of my Hasselblad or my Bronica 6X6 camera’s. In this tiny bag, the camera is protected for the element and vibrations due to cycling for instance.
Reference
analoguewonderland.co.uk/blogs/film-photography-blog/pent...
Key features and specifications
* Half-frame image capture (17 x 24mm)
* 37mm (equiv.) FOV F3.5 lens
* Zone focusing system with 6 zones
* Circular leaf shutter (F3.5-16)
* Built-in flash (6m/20ft at ISO100)
* Optical tunnel viewfinder with frame lines
* Exposure from 1/350 sec to 4 sec (+ Bulb)
* Supports films from ISO 50 to ISO 3200
Specifically the lens has:
1. HD coating, which maintains high performance of the lens, by using this PENTAX multi-coating. This also enables high contrast and high definition right to the edges.
2. SP coating (Super Protect) which helps to repel water and oil from the lens.
The fact that the focusing on the Pentax 17 is electronic i.e. the lens only moves when you half-press the shutter gives me faith that autofocus was already considered in the R&D stage.
Before Starting this Write up for the Days Events I want to say a Huge Thank You to all of the Marshals at Brands Hatch for the work that you do as without you We would not be able to Witness the Amazing Racing that takes Place Here Every Year.
During the Events of Saturday A Marshal Was Tragically Killed in an Accident on the Circuit. My Thoughts and Prayers are with The Family of the Marshal as well as Everyone Involved in the Incident.
Lets Keep Working Hard to Make Racing Exciting but also to work on the Safety Aspect of Both Spectators and Marshals at Each Event.
It was Time for the BARC To make a Very Special Return to Brands Hatch for the Annual BARC Club Car Championship Races. The Grids were looking to be Full up with lots of Action across both the Saturday and Sunday with Qualifying and Racing.
Lets See who's up First and Who can Take their Vehicles around the very Fast and Highly Paced Indy Circuit.
Brit Car Endurance Championship/Endurance And Praga Categories (Qualifying)
First Up was the Brit Car Endurance Championship Featuring a whole range of different cars from the Ferrari 488 to the Praga R1T. Thease two Classes of cars ran together during Qualifying so lets see who managed to take Pole Position for the Race on Sunday.
In First Place was (Tim Gray Motorsport and the Pairing of Richard Wells and Alex Kapadia) In their Praga R1T with a Lap Time of 44.675 and a Top Speed of 97.33mph. An Amazing Effort by Richard and Alex to claim Pole Position and start on the Front Row for Tomorrow's Race.
In Second Place was (CW Performance and the Pairing of Christopher Wesemael and Richard Morris) in their Praga R1 with a Lap Time of 45.128 and a Top Speed of 96.36mph. Another Incredible Drive from The Pairing of Christopher and Richard Claiming Second Position and Being Very Close to First in that Qualifying Battle. Fantastic Work.
In Third Place was (Team Praga Three Lions and The Pairing of Ash Dibden and Angus Fender) in their Praga R1 with a Lap Time of 45.365 and A Top Speed of 95.85mph. Very Close to Second Place Indeed with First, Second and Third place being a very hard Fought Battle for Positions. Fantastic work Ash and Angus.
A Very Exciting start to the Weekend with a Thrilling Qualifying Session and no doubt a Race to look forward to on the Sunday. Who will prevail and take the Checkered Flag? Only Time will tell.
CTCRC Edmundson Electrical Classic/Historic Thunder Saloons (Qualifying)
Next Up was the Edmundson Electrical Classics and The Historic Thunder Saloons as they Headed out for their Qualifying Session and with a Vast Grid of Historic Cars Such as Vauxhalls Fords and BMW'S this looks to be Another Spectacular Qualifying Session for the History Books.
Lets take a look and see who managed to get Pole Position and How Quickly they Managed to do it in.
In First Place was (Jason West) in his BMW E46 M3 3200 with a Lap Time of 50.576 and A Top Speed of 85.98mph. Very Fast Driving from Jason and a Fantastic Effort to achieve Pole Position for the Start of The Race.
In Second Place was (Mike Saunders) in his Ford MK1 Escort Mexico 4700 with a Lap Time of 51.100 and A Top Speed of 85.09mph. Another Fast and Well Controlled Lap from Mike to put himself into Second Place after a very Quick and Brave Drive.
In Third Place was (Andrew Wilson) in his Holden Monaro 7000 with a Lap Time of 51.282 and A Top Speed of 84.79mph. Fantastic Driving from Andrew to Achieve Third Place.
A Very Wonderful Qualifying Session for the CTCRC Edmundson Electrical Classic/Historic Thunder Saloons with Three Very Quick and Eager Drivers all wanting to be First but at the End of the Day their can only be One Winner. Who will it be? Only time will tell.
CTCRC JEC Saloon & GT Championship & Burton Power BOSS (Qualifying)
Next Up The Saloon and GT Championships and with More Escorts and Jaguars Heading onto the Circuit it was time to see what This set of Drivers could do and who would be able to claim Pole Position.
In First Place was (Malcom Harding) in his Ford Escort MK2 Zakspeed 2500 with a Lap Time of 53.705 and A Top Speed of 80.97mph. A Beautifully Prepared Machine Combined with a Fantastically Brave Drivers makes for a Perfect Paring. Amazing Work Malcom for Getting Pole Position.
In Second Place was (Steven Goldsmith) in his Ford Anglia 105e 2600 with a Lap Time of 54.237 and A Top Speed of 80.17mph. Another Amazing Driver pushing His Machinery Hard and Coming Very Close to Malcom's Time. Amazing Work Steven.
In Third Place was (Colin Philpott) in his Jaguar XJS 4000 with a Lap Time of 55.165 and A Top Speed of 79.27mph. Still Keeping very Close to Steven in Second Place and Rightfully Defending that Third Spot on the Grid. Amazing Drive from Colin.
Another Set of Amazing Drivers all showing the Love and Passion they have For Motorsport and Racing. But who will be Brave enough to push to the limits and Defend their Position for the Race. We will Have to Wait and Find Out.
CTCRC JEC Saloon & GT Championship & Burton Power BOSS (Race 1)
Its Time for The First Race of the Day and its for the JEC Saloons and GT Championship. After a Thrilling Qualifying Session Earlier its time to see who can Take Victory in the First Race.
In First Place and Taking the First Win of the Weekend was (MALCOLM HARDING) in his Ford Escort MK2 Zakspeed 2500 with a Lap Time of 54.028 and a Top Speed of 80.48mph. Amazing Drive There Malcolm and Congratulations on Your First Victory.
In Second Place was (STEVEN GOLDSMITH) in his Ford Anglia 105e 2600 with a Lap Time of 54.645 and A Top Speed of 79.57mph. Incredible Drive there Steve with a lot of Determination and a Very Brave Nerve to take Second Place.
In Third Place was (COLIN PHILPOT) in his Jaguar XJS 4000 with a Lap Time of 55.295 and a Top Speed of 78.64mph. Well Done Colin A Well Deserved Third Place and an Amazing Drive for Third Place.
What A Race from the Saloon and GT Championship and with Another Race to Come on Sunday More High Speed Action can be expected then.
CTCRC Laser Tools Pre 93 & Simply Serviced Pre 03 Touring Cars (Qualifying)
Next Up onto the Circuit was the Pre 03 and Pre 93 Touring Cars for their Qualifying Session and with some Fantastic Cars on the Gird it will be Interesting to see who Can take Pole Position and become the Victor of this Qualifying Session.
In First Place was (Gary Prebble) in his Honda Civic EG 2000 with a Lap Time of 52.971 and A Top Speed of 82.09mph. Fast and Committed rom Gary and a Beautifully Prepared Honda too. Well Done.
In Second Place was (AJ Owen) in his Honda Civic Type R 2000 with a Lap Time of 53.153 and A Top Speed of 81.81mph. Another Fantastic Drive from AJ Showing the Power of the Honda Engine and what it can do in the right hands.
In Third Place was (Don Hughes) in his Peugeot 306 XSI 2000 with a Lap Time of 54.013 and A Top Speed of 80.51mph. Another Super Lap from a Super Driver to Put himself into Third Place Behind the Two Hondas Awesome Work there Don.
A Brilliant Qualifying Session for the Pre 93 and Pre 03 Touring Cars. Well Done to the Top Three Drivers and Good Luck to all other Drivers Competing.
CTCRC Poultec Classic Race Engines Pre 66 Touring Cars (Qualifying)
Pre 66 Touring Cars are Next Up and usually a Fan Favourite at Brands Hatch Amongst Spectators and Race Enthusiasts and Who Can blame them. From the Mini Cooper S to The Ford Anglia and Lotus Cortina they are truly something Special to witness Racing around the Track.
Lets See who came where and how this will Impact the Race Ahead.
In First Place was (Alan Greenhalgh) in his Ford Falcon 4727 with a Lap Time of 58.396 and a Top Speed of 74.46mph. Fantastic Driving Alan and a well Deserved Pole Position.
In Second Place was (Robyn Slater) in his Ford Anglia 1550 with a Lap Time of 59.353 and A Top Speed of 73.26mph. Very Well Done to Robyn and an Amazing Drive to Achieve Second Place.
In Third Place was (Barry Sime) in his Morris Mini Cooper S with A Lap Time of 59.627 and A Top Speed of 72.93mph. Showing the Power of The Mini there Barry that's for sure What an Awesome Drive for Third Place.
What A Qualifying Session for the Pre 66 Touring Cars Showing some Awesome Machinery and Cars that Have Been Designed for One Thing Speed. Well Done to Alan Robyn and Barry Here's Hoping to see a Fantastic Battle Between all Three of you Come Race Day.
CTCRC Shell Oils Pre 83 Touring Cars (Qualifying)
Finally was the Turn of the Shell Oils Pre 83 Touring Cars to take to the Circuit. With More Fords and Jags ready to take on the Track and see who can take that Final Pole Position of The Day.
Lets see how things Turned out on the Track
In First Place was (Mike Luck) in his BMW E21 320 with a Lap Time of 56.575 and a Top Speed of 76.86mph. A Very Fast Time and enough to take Pole Position Amazing work there Mike.
In Second Place was (Mark Osbourne) in his Triumph Dolomite Sprint 1998 with a Lap Time of 56.839 and A Top Speed of 76.5mph. Amazing Drive from Mark to put his Triumph right up there in Second Place and not too far Behind Mike in the BMW.
In Third Place was (Stephen Primett) in his Ford Escort MK1 2037 with a Lap Time of 56.867mph and a Top Speed of 76.46mph. Another Incredible Drive for Third Place and The Final Spot in the Top Three for Qualifying. Very Well Done Stephen.
A Thrilling Qualifying Session for the Pre 83 Touring Cars to round of a Very Busy and Long First Day of Qualifying. Lets see what Each Driver can do come Race Day and who will be able to Dominate and Take Home The Trophy for Their Classes.
Best Luck To Everybody and See You All Tomorrow.
We did a problem that involved a projectile motion situation where an electrostatic force meant that there was a horizontal acceleration and a gravitational force meant that there was a vertical one. (See for example 1998 AP Physics B № 2.)
Unlike the projectile motion problems we're used to, where the object follows a parabolic path, when there's constant acceleration in both dimensions it seems to follow a linear path. We can break down two dimensional motion into horizontal and vertical motion diagrams, as seen here (To see this produced in real time, I highly recommend PSSC's Free Fall and Projectile Motion, www.youtube.com/watch?v=QRa_Eh9mv9Y, from 11:50 to 13:56)
Because in both dimensions position has a quadratic time dependence when there's horizontal acceleration, the resultant position in two dimensions changes linearly rather than parabolically.