tlevine

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About tlevine

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  1. Michael, intubating laryngoscopes are, I think 4 or 5mm. My scopes are 3mm. Your pictures will be better for that reason. These images looked much better on the video screen, but the magnification is much less. The pictures in Grant Walker's book on the Roger's collection were made with either laparoscopes or arthroscopes (I forget which), donated to the museum.
  2. To give you an idea of what I am talking about, let me share two pictures I took today. The first one was taken with a flexible scope and the second one with a rigid. Both were taken using a Xenon light source, so there is a slight bluish cast. You can readily see the bundles in the first picture inherent in a flexible scope. The sharper the final image, the more obvious the bundles. By defocusing, the bundles are less obvious. I am sorry about the lack of focus on the second picture. It was taken with a 30 degree scope and I obviously had the angle off a bit. These are the tools that your surgeon uses on a daily basis, not antique technology from 10 years ago. Neither could be called a high quality photo although they are perfectly fine for what they are designed to do..
  3. Yes, with sufficient funds it is possible to take good pictures with endoscopes. ($4000+ on the used market) There are some very significant limitations: lighting, field of view and depth of view. These instruments are designed to be used in relatively closed spaces (inside the knee, nose, esophagus, etc). So the light provided by the light source is sufficient. Once you get into the hold of a ship, for example, you would have to provide supplemental lighting, presumably with other fiberoptic cables and light sources. The field of view is directly related to the diameter of the scope. With my nasal endoscopes, the widest field of view while maintaining focus is approximately 2 cm. The depth of view is in the same ballpark. Rigid scopes, although providing better views are limited by the fact that they are rigid. Flexible scopes can get into more of the nooks and crannies but their flexibility is a result of many bundles of fibers. These bundles are readily visible and detract from photo quality, something not as relevent for their intended purpose.
  4. Here is the link to Bob's build log for the longboat. It looks even better in person than in the photos. Congratulations, Bob.
  5. When it comes to protecting the tips of microsurgical instruments, consider a much easier and less expensive alternative (and one we use in surgery with my microsurgical instruments). Buy several diameters of clear plastic tubing at the hardware store. Cut off the appropriate length of tubing and insert the business end of the instrument into it. An additional advantage is that you can see which instrument you have through the clear tubing. If you heat soften the tubing, this will even work for curved forceps. Please remember that these insturments (Castro Viejo and the variations on a theme) are not designed to handle significant lateral torque; they are designed to hold 10-0 suture needles (approximately 28 gauge) and perform microsurgical repair, not insert pegs into boxes or tie knots in rigging unless the cordage is very fine.
  6. I actually use the Preac more than the Byrnes saw. I use the Byrnes primarily for more heavy duty cutting. I feel like I am less likely to accidentally injure myself with the Preac. Since I travel a lot, the Preac is a lot more portable as well.
  7. This was also my first wood ship model back in the "80's. I look at it in horror because of all the mistakes (mine and Mantua's) but friends think it looks great so I still keep it on display in my living room. Use this kit to learn and hone your skills.
  8. Jan, the NRG board agrees with your comment regarding " there is so much water between us on the old continent and the NRG". This has been one of the reasons we are considering the publication of a digital Journal at some point in the future.
  9. First of all, Mike, look at the post from Bob W just above yours. The wording is as quoted "Thank you for your recent donation to the Nautical Research Guild’s Model Ship World website." I am not sure how much more specific we can get. But to address you other concern regarding the perceived value of the NRG let me try and put it into perspective. First, the NRG is the owner of MSW. That in itself should offer you more than a little value. The NRG is a corporation. And like any corporation, there is a budget for the maintainance of the various facets of the organization, including MSW, the Journal, the annual conference, research grants and administrative expenses. This website is not a cash cow. The NRG subsidizes MSW out of our general funds, not the other way around. None of the directors receive any compensation and we all spend many hours in support of the organization. Second, have looked at the store? There are several types of products for sale, developed by the NRG, which enhance our hobby, from Shop Notes and CD's to the Galley Washington plans. Prior to the NRG's purchase of MSW, you would have paid full price for these items. As a member of MSW you can get a discount code from the NRG. I believe this represents value. Thirdly, as a member of MSW you can request associate membership in the NRG as stipulated in Article I of our Bylaws: SECTION 2 – Associate Member Any person, foreign or domestic, desiring membership in the NRG who is a registered member in good standing of Model Ship World shall be admitted without regard to age, gender, race, nationality, color or creed upon application. What does Accociate Membership get you today beyond what your MSW membership provides? Nothing...yet. But I am reasonably sure that will change at some point in the future. I am sorry for sounding a bit snippy, but the NRG is an organization I care deeply about and I get a bit testy when someone questions its value.
  10. I would suggest you narrow your choices down to a couple of kits and then read some of the corresponding build logs. This will give you the best way to compare the kits you are interested in. After all, every company makes both good and bad kits.
  11. The ship is very nice. The background story is amazing.
  12. It really depends on personal preference. For example, some builders prefer water-based and others prefer oil or spirit based. Your best bet is to look at some of the builds and pick out your preference in appearance. Then try it out on some scrap to make sure you like the look. On my Atalanta, for example, all of the wood is finished with Watco's except for the holly on the lower hull which is clear flat dope. In particular, look at the difference between the deck planking and the lower hull... They are both holly but have totally different appearances because of the different finishes applied.
  13. Discount Campus is who I purchased my mill from.
  14. I ordered my Sherline mill from an authorized retailer for significantly less money. The name escapes me but it was somewhere on the East coast. The advantage of buying direct from Sherline is the advise you will receive to guide your purchase. Don't forget, the accessories will cost you at least as much as the mill itself, so plan your purchase accordingly.