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Watermark Detectors
http://www.gbps.org.uk/boards/viewtopic.php?f=21&t=1576
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Author:  GbBouv2014 [ Fri Apr 07, 2017 1:43 pm ]
Post subject:  Watermark Detectors

I have been "old school" for decades, using fluid and a tray. My fluid's about run out so I am considering purchasing a modern detector. Does anyone have experience with the Detectamark Spectrum detector? Any other recommendations? If it is important, I collect older GB and BNA, mostly 19th to early 20th century. Thank you.

Bob

Author:  Tony [ Sun Apr 09, 2017 10:03 am ]
Post subject:  Re: Watermark Detectors

I've not used this particular model, but I have had good results with this :

http://www.michaelkay.co.uk/watermark-d ... tector.htm

Tony

Author:  PhilW [ Sun Sep 03, 2017 7:59 am ]
Post subject:  Re: Watermark Detectors

I also use the Signoscope with acceptable results so agree. However still need fluid and tray for some difficult LC T1 T2 differentiation on QV line engraved.
;)

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