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About Kraai

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  1. On my Euromex SB1903 microscoop, WF5 oculars + lens SB8907 0,75x I use this camera with an chip diameter 11.28 mm: KP-2110-05X 21MP 1080P Digital Microscope 60FPS HDMI USB 0.5X With an OMAX Microscope 0.37X Adjustable Reduction Lens this gives the same image as through the ocular
  2. a microscope gives depth to the image and the working posture is better.
  3. thanks, but it is not a real restoration
  4. A dial from a Bulle clock (model XC) looks dirty. Varnish remover does not help. Sanding and resilvering is not possible because the letters are not engraved. Please help, thanks, Kraai
  5. Could it be that an electric current has flowed through the liquid? How long has the rotor been in the liquid? Different metals can also generate electricity and galvanic corrosion.
  6. http://www.aucklandmuseum.com/collection/object/am_humanhistory-object-608581
  7. You don't want to see colored remains in a (skeleton) watch. The advantage of a colored medium is that you see what you have done.
  8. Is it an hanging barrel? (A hanging barrel (also known as a standing barrel or floating barrel) is one whose arbor is supported at the upper end only, being attached to the barrel bridge with no support from the lower plate) Which caliber?
  9. Beware of inhaling the radium dust from the dial and hands. The half-life is 1600 years. In the body it goes into the bones and irradiates the bone marrow all your life. The radon gas that comes out is not really bad, also the direct radiation is not dangerous at a some distance.
  10. 7 = https://www.alibaba.com/product-detail/Hoffman-Tubing-Clamp-Closed-Sided-Hoffman_155929519.html 6 = truing caliper see picture
  11. That's why I try to collect information first and hope that someone on the forum has experience with it. I will take pictures of the disassembly and hope that I can take pictures of the assembly ......
  12. Tudor, thank you for your response. A-P provides no information and no components at all, not even to certified dealers. So every watch is sent and the question is whether it is worth it. That is why I first try to gather as much information as possible and then service it myself. Indeed, the speed can be high for those ruby rollers. Do you think of D5 or other oil? I already have Lubata V105 for the exchange wheels
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