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    Re: Haze inside lens

    Barrel Heliars are quite straightforward to clean all 6 glass surfaces. Not a usual victim of balsam/glue problems.
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    Re: Dating Derogy lens

    I have another (unique?) engraving - probably from the few days when Derogy was deciding how to engrave his lenses for the UK market!
    First half is the standard French Foyer Multiples - second half...
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    Re: Dating Derogy lens

    I have been looking at the details of the brass work on various illustrated and own Derogy Petzvals and there seem to be a few changes during time. In particular, the style of the turning knob on the...
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    Re: Dating Derogy lens

    We are lucky (or, perhaps unlucky!) in that Derogy had a whole range of different engravings!

    Perhaps these represent different dates, but perhaps not. There is certainly a range of English...
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    Re: Dating Derogy lens

    This one has always been a Unicum! The brass is obviously correct, but why DY?

    I don’t believe the Pont sequence - with 10,000 being about 1860. The patent Foyers Multiples did sell well, but a...
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    Re: Dating Derogy lens

    Before I start any listing, I would like to summarise the known history of the "Derogy" brand. This is basically extracted from the standard modern descriptions by Pont/Princelle and L'Agostini -...
  7. Re: Chassis for an old Bernard Watchl 8x10

    Yes, the dark slides can be difficult to move - and difficult to service as they can’t (easily!) be removed. Obviously, wood dimensions change through 100 + years and a bit of sanding/lubrication is...
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    Re: Dating Derogy lens

    Unless anyone can suggest a reason why I shouldn't, I will use this thread to build up a table of lens types from Wallet, Hermagis & Derogy and Derogy from around 1855 until about 1865. There are a...
  9. Re: What camera shops to visit in Vienna?

    The WestLicht name has been retired (2018?).

    Note that some of the (unfriendly) listed prices are further inflated by 20% VAT.
  10. Re: Fit of film holders 5x7 for ~120 year old camera

    I have a few of these cycle (lightweight, boxed and leather finish over the mahogany frame) cameras. They have sometimes been misused - weakening the box frame- and bellows are also subject to decay...
  11. Re: Fit of film holders 5x7 for ~120 year old camera

    The standardisation of 5x7” ( and metric sizes, too) was well after the production date of your Korona.
    You Will be able to see what the right plate holders for your model Korona here.
    ...
  12. Re: What camera shops to visit in Vienna?

    Here is a link to WestLicht, Vienna.

    https://www.tripadvisor.dk/Attraction_Review-g190454-d1068833-Reviews-WestLicht-Vienna.html

    I only know them as a classic photographica auctioneer, now...
  13. Re: Insight Requested on ULF Studio Camera Project

    I have a fair number of these Continental studio cameras (about 5).

    You talk about 15x15" format, which seems like a very large studio camera. I think that this is only possible if you are...
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    Re: Thornton Pickard Shutter

    Ian has been silent here for a few years.
    And doesn’t respond to PMs.
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    Re: Servicing an old lens... worth it?

    Go visit http://www.piercevaubel.com/cam/catalogs/1911senecalp262.htm

    If you havn’t already found Vaubel’s catalogues!
  16. Re: How to identify the film holder type for a unbranded large format camera

    Danmark is, like most other countries, completely devoid of an active large format and film based active community. There are onLy two or three active here - although Emil from Jutland is a real...
  17. Re: How to identify the film holder type for a unbranded large format camera

    please read my earlier post again!
    Plate holders for 13x18cm cameras are frequent items on ebay.de. Making these holders from scratch would be very, very difficult.
  18. Re: How to identify the film holder type for a unbranded large format camera

    This is one version of plate holders for a 13x18 camera. Cameras were usually sold with sets of 3 holders. The earlier version looked similar, but had two halves which opened up to load/unload plates...
  19. Re: How to identify the film holder type for a unbranded large format camera

    This is definitely a 13x18cm rejsekamera. Great numbers were made from around 1890 up to WW1.This example was made in Germany and would have been a better than average product!
    Marking the ground...
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    Re: US Navy Over-Sink Drying Rack

    Is this the system? Standard wooden clothes pegs are good enough for the US navy!
    There are domestic pull-out systems that are elasticated and roll up to just a narrow box on the wall. Great for...
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    Re: Lenses and their "personality"..

    Yes they do!
    If you look through the first “barrage” of images in this thread from Emil you will see that some of the lenses are quite huge. They have obviously been mounted on heavy duty studio...
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    Re: Lenses and their "personality"..

    Thanks for a bit of inspiration in the middle of January, Emil!

    However, the lens engravings and the written text do not match - which is correct?

    I don’t think there is any data about when...
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    Re: Cleaning up a Universal Clamp

    Here is a better description/photos.

    https://www.largeformatphotography.info/forum/showthread.php?146137-Huge-Universal-Iris-Clamp-heavy-duty-Italian-model!
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    Re: Cleaning up a Universal Clamp

    Making a turn device is a bit difficult as a simple design will foul when it is rotated. I cut a brass disc of greater diameter than geared wheel (increased torque), drilled and threaded two holes to...
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    Re: What is the purpose of this baffle?

    Need to see the front - from the front!

    It might be a very special fitment for conversion to single lens stereo use.
  26. Re: Anyone have info about an Exelsior casket set?

    The most common no name aplanat/perscope multi focal length casket set was the “Meteor” which has been identified as being a Rodenstock product from a period when Rodenstock was just getting...
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    Re: Cleaning up a Universal Clamp

    This is the alternative universal iris clamp design which, I think, have an Italian/French origin.
    The main difference is that the turning mechanism is far more direct, visible and solid compared...
  28. Re: Replicatiing the lensboard for a Perken, Son & Rayment camera

    Very attractive. I am doing similar thin strip work with aged double book holders _ where the edges that are on the dark slide (not much more than a mm wide!) have to be renewed to maintain light...
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    Re: Show off your ULF camera

    Please could you enter details of the Lerebours et Secretan lens in the thread on LetS.

    https://www.largeformatphotography.info/forum/showthread.php?63733-Lerebours-Serial-Number-Rice-Writing
    ...
  30. Re: Help with identifying this Japanese Camera Please.

    I doubt anyone here is able to say much without research first!
    The Japanese text will give the camera model, company and “place of birth” as you have discovered. This may be just be a big...
  31. Re: Eastman Dry Plate & Film Co camera - restoration

    These period tripod base inserts are quite a popular item on ebay, but I don’t think there are standard sizes. The three loose legs of the oiginal tripods fit quite a range of sizes.

    I note the...
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    Re: Need Grubb Lens Expertise

    I think this may be the source of the debate Grubb/Dallmeyer patents. It is about the single aplanatic lens versus the modified landscape lens of Dallmeyer. I seem to remember another discussion...
  33. Re: Hermagis Serial numbers Need your help with a database

    Interesting example of a pre-serial number Hermagis stereo pair with both cup aperture inserts present.
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    Poll: Re: Poll: most used ULF formats

    There must a number of active 30x40cm photographers in Germany as this was not an uncommon size in reisekameras.
    I have certainly sold a couple of sets (camera plus 2/3 double plate holders) in the...
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    Re: Ilex Photoplastic, any pictures?

    There used to some images, but a system collapse some years ago did a fine job of cleaning out the photo files.
    ...
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    Poll: Re: Poll: most used ULF formats

    Just to be different and retro. I use the following:-

    12x10”, 15x12”, 24x30cm, 30x40cm.
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    Re: The Perils of BRASSO (and similar)

    The lens is a Joseph Levy, London who existed for about a decade and eventually joined up with the Houghton/Butcher consolidation - like Zeiss-Ikon similar in Germany in 1926.

    It is just a CdeV...
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    Re: Strange old camera

    GDR (DDR) or somewhere else in the old Soviet influence block where there were plenty of scrap cameras from the early 20th Century and very little to buy in shops!
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    The Perils of BRASSO (and similar)

    I am sure this brass polishing substance has many dear names around world - but this the version I know best from household use.

    This is not about the evils of cleaning off character-giving patina...
  40. Re: Thornton Pickard Imperial restoration project

    You already have the lens mount (lens flange) attached to ubiquitous Thornton- Pickard curtain shutter! Diameters were pretty standard so you should be able to find a UK lens that fits.

    The triple...
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