Those are Neon bulbs (NE2A) driven by vacuum tubes (5963). /Martin
On Monday, 19 July 2021 at 20:43:33 UTC+2 Bartek Ogryz wrote: > I wonder, what kind of display is that? I've never seen one like this. > > poniedziaĆek, 19 lipca 2021 o 17:40:28 UTC+2 [email protected] > napisaĆ(a): > >> You don't like it laced with waxed cotton ? >> >> >> On Mon, Jul 19, 2021 at 12:15 PM Joe Croft <[email protected]> wrote: >> >>> How I love point to point wiring! PCBs can never replace the beauty of >>> equipment like that! >>> >>> -joe >>> >>> On Sun, 2021-07-18 at 18:14 -0700, Instrument Resources of America wrote: >>> >>> For those of you who asked. Pic No 1 of the 'hand wired underside of the >>> >>> Beckman 7360 EPUT meter'. For the younger folks here. Every single >>> >>> thing you see in this pic and subsequent ones to follow was put there by >>> >>> a human being. All of the parts and components, all of the wires, every >>> >>> single solder connection done by human hands. No automation what so >>> >>> ever. No pick and place machines, no wave soldering of P.C. boards, no >>> >>> automated wire wrapping etc. ALL hand placed, hand wired, and hand >>> >>> soldered. By the way, all of our home entertainment electronics up to >>> >>> about the late fifties, early sixties was done just like this, all >>> >>> radios, televisions, stereos, phonographs, were all done by hand. Any >>> >>> questions just ask and I'll try to answer as best as I can. Who here >>> >>> can spot the small handful of solid state devices in this pic? Old >>> >>> timers, need not reply to this question!! More to follow. Ira. >>> >>> >>> >>> On 7/18/2021 11:47 AM, Instrument Resources of America wrote: >>> >>> It lives again. Beckman Berkeley model 7360 Events Per Unit Time >>> >>> (E.P.U.T.) meter and timer, that I recently restored to operational >>> >>> condition. See the photo. One of those fun projects that I enjoy >>> >>> doing, every now and then, is to restore vintage test gear. This time >>> >>> it contained neon, and thought the group might like to see it. 100% >>> >>> vacuum tube circuitry, plus neon displays. Hope all enjoy, comments >>> >>> welcome. Now where is that vintage Tektronix 514D oscilloscope??????. >>> >>> Off in the distance I see an HP 522 frequency counter, with vacuum >>> >>> tubes and similar neon displays. Ira. >>> >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/neonixie-l/f6c84d5d8ec3fc202c65f650ec0f457995899c78.camel%40gmail.com >>> >>> <https://groups.google.com/d/msgid/neonixie-l/f6c84d5d8ec3fc202c65f650ec0f457995899c78.camel%40gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/6b088a80-beb1-4436-afde-8316c2426ca5n%40googlegroups.com.
