The E1T tube was introduced in 1954. I have a few which I got at swapmeets. I also have a counter based on this tube. Unfortunately it is not complete. regards Heinz DH2FA, KM5VT
Von meinem iPhone gesendet > Am 19.02.2016 um 18:22 schrieb "Thomas Allgeier" <[email protected]>: > > Hi All, > > An interesting find, but not as old as advertised: Friesecke & Hoepfner only > moved to Erlangen-Bruck after WW2, in or around 1949. During the war they > were in Berlin I think. They made quite a range of stuff, one of their main > post-war activities was radioactivity measurements i.e. counters. > The thing looks 1960's to me. Not sure if it is worth 3000 bucks, though. > > Kind regards, > Thomas. > > > Date: Thu, 18 Feb 2016 23:32:09 +0100 (CET) > From: "[email protected]" <[email protected]> > To: <[email protected]> > Subject: [time-nuts] Counter? > Message-ID: > <1178303383.10543371455834729338.javamail.ht...@webmail-46.iol.local> > Content-Type: text/plain; charset=UTF-8 > > This tube type item on ebay is equipped with E1T high speed decade counting > tubes. > 222022951573 > > I'm not affiliated, etc... > Antonio i8iov > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
