otter42 Posted August 23, 2014 Share #1 Posted August 23, 2014 Bought this yesterday, was really excited to see it was made by Waltham and the early date on 1960. Then I looked at the pouch it came in and I can't make out the date, but is has Waltham on the last line! The radioactive sticker is kind of scary looking....what does Ra 226 mean? Ken Link to comment Share on other sites More sharing options...
otter42 Posted August 23, 2014 Author Share #2 Posted August 23, 2014 The lens is a little discolored: Link to comment Share on other sites More sharing options...
easterneagle87 Posted August 24, 2014 Share #3 Posted August 24, 2014 It has to do with the radioactive element used. Be careful while traveling. It will set off the rad meters on border crossings. My father-in-law found this out when they entered Canada pulling their travel trailer. Link to comment Share on other sites More sharing options...
otter42 Posted August 24, 2014 Author Share #4 Posted August 24, 2014 Thanks, I have an 1980's on but it doesn't have the sticker like this one. Link to comment Share on other sites More sharing options...
Bob Hudson Posted August 24, 2014 Share #5 Posted August 24, 2014 It stands for "radium 226." I believe they stopped using it, but for 100 years or so it had a lot of uses. Check this out to learn all about it: http://nrc-stp.ornl.gov/narmtoolbox/radium%20faq102008.pdf Link to comment Share on other sites More sharing options...
otter42 Posted August 24, 2014 Author Share #6 Posted August 24, 2014 Thanks Bob, do you think it unusual that the pouch would be marked Waltham? Link to comment Share on other sites More sharing options...
stahlguy Posted August 28, 2014 Share #7 Posted August 28, 2014 Very Nice. Link to comment Share on other sites More sharing options...
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