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a short note on cxn serial numbers on Uboat binoculars

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            Last edited by Michael Downey; 08-05-2016, 03:14 AM.

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                Very nice looking piece.
                Congrats don´t make sense, but thank you for letting us see it.

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                  Thank you so much for posting pics. I'm sorry what doesn't make sense? All the info I have or know came from my late mother. My grandfather after his military service became The captain of The Liberty boat. After his retirement they moved to Las Vegas and he would travel to San Diego to renew his captains license any tonnage any waters until late in his 70's. I also have his Chelsea Ships Bell clock serial #251583. I'm not sure what ship it came from. Is there a way to locate this info? I also failed to mention, the opposite side of the serial number on my binoculars under the plastic eye guard there is something engraved. I can't get the screw to open, I'm afraid of damaging. I noticed while pulling back on the rubber pieces before I knew how valuable they were. I'm now very curious. Thanks again to all that has helped and commented!!!!

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                    Another 7x50 for the list; cxn 7x50 457198

                    http://www.ebay.co.uk/itm/WW2-German...vip=true&rt=nc

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                      One 7x50 has been added.. thank you.

                      8x60 Uboot (kommandantenglas) 26 found

                      426503 Ebay nov. 2014
                      426520 Austria
                      426526 MD
                      426531 Ebay feb 2013
                      426550
                      426553
                      426559 Seeger grey book, page 384
                      426560
                      426579
                      426586
                      426590 "added after the original posting" ebay sale january 2013
                      426594
                      426616 Confirmed by MD, so probably right.
                      426628

                      426630
                      426655 Last 3 digits uncertain. Might be disregarded.
                      426658

                      426668
                      426669
                      426672 Seeger´s new book 2015
                      426678
                      426690 Ebay.com may 2014.
                      426708 MD
                      426713 Seen in Australia.
                      426714
                      426718

                      456942 No photo of this serial number has been seen. It was reported only. May be a misreading of 426642. Or, now we have seen several 7x50 below 457xxx, in fact a 7x50.

                      7x50 Uboat, 24 found

                      456864
                      456879

                      456887
                      456889
                      456902
                      456917
                      456942 See the note above, at the end of the 8x60 list.
                      456996
                      457001
                      457002
                      457086
                      457114 MD
                      457128
                      457189 Seeger´s new book 2015
                      457193 Seeger´s new book 2015
                      457198 (NEW)
                      457236
                      457239
                      457241
                      457242 MD
                      457262
                      457263
                      457280

                      457281

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                        Another 8x60 - 426664

                        http://www.ebay.co.uk/itm/very-rare-...vip=true&rt=nc

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                          One 8x60 has been added.. thank you. This is proceeding slowly, but it´s like a jigsaw Puzzle. Eventually, the motive is lined out.
                          We may allready have more than 10% of all cxn 8x60 ever made, in the list. The difference from the 7x50 may indicate the 8x60 never quite made it to the boats.

                          8x60 Uboot (kommandantenglas) 27 found

                          426503 Ebay nov. 2014
                          426520 Austria
                          426526 Number supplied by Michael Downey
                          426531 Ebay feb 2013
                          426550
                          426553
                          426559 Seeger grey book, page 384
                          426560
                          426579
                          426586
                          426590 "added after the original posting" ebay sale january 2013
                          426594
                          426616 Confirmed by MD, so probably right.
                          426628

                          426630
                          426655 Last 3 digits uncertain. Might be disregarded.
                          426658
                          426664 (New) ebay 2016. Sold from Austria
                          426668
                          426669
                          426672 Seeger´s new book 2015
                          426678
                          426690 Ebay.com may 2014.
                          426708
                          Number supplied by Michael Downey
                          426713 Seen in Australia.
                          426714
                          426718

                          456942 No photo of this serial number has been seen. It was reported only. May be a misreading of 426642. Or, now we have seen several 7x50 below 457xxx, in fact a 7x50.

                          7x50 Uboat, 24 found

                          456864
                          456879

                          456887
                          456889
                          456902
                          456917
                          456942 See the note above, at the end of the 8x60 list.
                          456996
                          457001
                          457002
                          457086
                          457114
                          Number supplied by Michael Downey
                          457128
                          457189 Seeger´s new book 2015
                          457193 Seeger´s new book 2015
                          457198
                          457236
                          457239
                          457241
                          457242
                          Number supplied by Michael Downey
                          457262
                          457263
                          457280

                          457281
                          Last edited by Mikedenmark; 10-08-2016, 05:39 PM.

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                            We may allready have more than 10% of all cxn 8x60 ever made, in the list. The difference from the 7x50 may indicate the 8x60 never quite made it to the boats.

                            If the 8x60's didn't make it to the boat - wouldn't we see more of them?

                            I know Benjamin Disraeli said "There are three kinds of lies: lies, damned lies, and statistics." but a statistical analysis of the number of 8x60's made (250 reportedly) and when they were made, measured against the percentage of boats lost (in the same time frame) should give some indication of how many we'd expect to find.

                            By the way- how many 7x50's were made? Tying it in with the 8x60 seems risky as we'd expect only one cxn 8x60 per boat but several cxn 7x50's could be lost on one boat.

                            Finally - numbers aside - why would they make 8x60's and not issue them? They''re not very late war so it's seems reasonable to assume they were issued alongside blc 8x60's of the same period...

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                              If they made one or two batches, say 100 each, or even 5 batches, each of 50.
                              Then all it takes to make half of those survive, would be one or two trains siderailed. But maybe I am too late into 1945 with this.
                              I think the survival rate of the 8x60, in general should be expected to be higher than the 7x50. Many of the earlier 7x50 must have gone down with the boats. Taking the box for sale on ebay into account, this may have been at a rate of up to ten pr. lost boat.
                              I don´t know if we have ever seen more than one 8x60 in use on a photo? If there were ever issued more than one on each boat. If we ever see a box for 10 8x60, then a planned general issue may be assumed. If no box ever existed, then the status of Kommandantenglas may be because the captains got one each, with the personal responsability to store it well in his cabin.
                              Sufficiently old captains have written memoires. Maybe a search on Ubootnet may reveal details on their issue. I believe some may have mentioned their "own" binocular. If for no other reason, then because of the weight.

                              To me it makes little sense that the best bino onboard was in the captains cabin. Maybe not a big issue once surface sailing diminished.
                              I have read several reports, where the boats dived after alarms from their radar detecting devices. Distrusted by the crews because they rarely, even in clear weather, had actual plane sightings to correspond with the warnings.
                              But their orders must have been: If a warning was sounded, you dive. Sighting or no sighting. The electronics were taking over part of the observation at this point. And a radar detecting device should be able to look "over the horizon" Something a binocular rarely can do.

                              Comment


                                cxn 457137 (nice colour);

                                http://www.ebay.co.uk/itm/U-Boat-7x5...3D262527982385

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