[time-nuts] HP Stories: Frequency Counter business

[Dave Mallery]

in high school, i had a summer job at the NYU EE dept up in the Bronx
campus (where my dad taught english!)

this was the summer of 1956 and 57.  in the lab equipment issuing room
there lived a 524 with the vertical neon lites.
along with a plethora of other now ancient equipment.

long ago in a galaxy far away...

73

dave mallery



On Mon, Jan 21, 2019 at 5:04 PM Don <dlewis6767 at austin.rr.com> wrote:

> http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1951-01.pdf
> On Mon, 2019-01-21 at 14:15 -0500, Gordon Batey wrote:
> > Greetings to all,
> >
> > I believe that was the HP 525 counter.  I had one as my first
> > counter
> > which I picked up surplus many years ago.  It had several plug-ins
> > for
> > different
> > frequency ranges.  Kept the basement warm in the winter time.  The
> > vhf
> > plugin was a heterodyne mixer as I recall.  This unit ontained MANY
> > tubes
> > and a
> > fairly large fan to remove the heat.  I gave it to another ham
> > several years
> > ago.
> >
> >
> > I really enjoy the HP stories.
> >
> > Gordon Batey
> > WA4FJC
> >
> >
> >
> > Hi,
> > I used an HP counter in 1961 that had these vertical strings of neon
> > tubes
> > behind numbers, and the two least significant decimals were read off
> > two
> > milliamp meters numbered 0 to 10. For each count the needles would
> > point to
> > the number to be read. The whole instrument was a 2 foot cube that
> > sat on a
> > trolley.
> > After all this time I can not remember the model number. Our company
> > repaired Air force instruments and recalibration of frequency
> > ?meters?
> > (calibrated heterodyne oscillators).
> > Cheers,
> > Neville Michie
> >
> >
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-- 
Dave Mallery, K5EN                 (ubuntu linux 18-10)
80018 Lobo CP                             Grants,  NM  87020

      linux counter #64628 (since 1997)