Richard, Was that a Single Lens Reflex Klystron? Jerry Richard Knoppow wrote: > ----- Original Message ----- > From: "Jerry Lehrer" <jerryleh@xxxxxxxxxxx> > To: <rollei_list@xxxxxxxxxxxxx> > Sent: Thursday, August 18, 2005 5:44 PM > Subject: [rollei_list] Re: Bellows on 2.8D? > > > Richard, > > > > In engineering we call it a diaphragm or a membrane seal > > . > > Jerry > > > OK it just popped into memory (or out of my memory), the > thing I was picturing was part of a tunable reflex Klystron. > > --- > Richard Knoppow > Los Angeles, CA, USA > dickburk@xxxxxxxxxxxxx > > --- > Rollei List > > - Post to rollei_list@xxxxxxxxxxxxx > > - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' > in the subject field OR by logging into www.freelists.org > > - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with > 'unsubscribe' in the subject field OR by logging into www.freelists.org > > - Online, searchable archives are available at > //www.freelists.org/archives/rollei_list --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list