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This continues our coverage of the Criterion RV-6 Dynamax telescope that is among Company Seven's museum collection.
The following is a photographic documentary of the extraordinary effort by Mr. Tom McDonough to refurbish his own Criterion RV-6 Dynascope. Mr. McDonough performed the work from May 2, 2004 and completed it by 24 August 2004. Over this time he took images and prepared his article which has since then been posted in the Gallery of the Astronomy Club of Tulsa web site.
Right: Color image of the 1962 Criterion Dynascope RV-6 telescope in Company Seven's Museum Collection.
We have seen a number of changes of the RV-6 over its production life. Most have been cosmetic and have not substantially changed the telescope. Mr. McDonough's RV-6 is a later model than ours and it differs in some aspects from the older model which has been acquired by Company Seven;
Mr. McDonough informed us in 2008 "the RV-6 is my main scope and I use it quite often. A couple of years ago at a star party I compared Saturn with a 6" f/8 TMB Apo refractor using the same eyepiece and there was only a bare difference in background contrast. Not too bad for a 40 year old scope!" He went on to summarize the expenses for the restoration:
Total $ 147.22
Hours To Complete The Work: Forty Three (43)
As we at Company Seven considered how much time and effort we would need to put in to restore 'like new' the Criterion RV-6 acquired for our collection. the thought came to us that Mr. McDonough had already saved us the effort of doing the work and documentation. And so the decision was made to conserve our Criterion RV-6 as it was acquired, and we asked the permission of Mr. McDononough to host the images he created instead. We put together this article with some additional explanatory text so that others can learn how to go about doing such a project. And maybe, just maybe someone out there will save another Dynascope from being discarded and make it as fascinating to the next generation.
All the images are Copyright 2004 all rights reserved by Mr. Tom McDonough, used by his kind permission.
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Contents Copyright 2004-2008 RV-6 Images by Tom McDonough, other content Company Seven - All Rights Reserved |
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