[time-nuts] Re: HP105B

[Richard (Rick) Karlquist]

The clip on vacuum tube ammeter might be in contention.

Rick N6RK

On 1/16/2022 2:25 PM, Magnus Danielson via time-nuts wrote:
> Hi,
> 
> No, not for HP. The HP200A through D products where separate products 
> for 8 years, then the 200A and 200B was merged to the 200AB and the 200C 
> and 200D merged into 200CD that was running for 37 years, totaling in 45 
> years of continuous production. Not bad for a tube-based oscillator. The 
> numbers are from the top of my head, but was featured in an HP 
> PR-article, where they where proud of this fact, even after breaking out 
> Agilent. Someone can probably do the research and correct details, but I 
> distinctly recall the 45 total years.
> 
> Cheers,
> Magnus
> 
> On 2022-01-16 22:18, Louis Taber wrote:
>> Hi All,
>>
>> The HP 105B is in the HP catalogs for a 33 year period, 1968 through
>> 2000.  That is a 33 year run.  Is this an HP/Agilent/Keysight record?
>> Â  Does anyone know how the newer units were fabricated?
>>
>> It is just barely mentioned in the year 2000 catalog.  The price went up
>> from $1800 to $9700 in 26 years.  About 5.5 times the original price.  I
>> wonder what the price was in 2000.
>>
>> I was looking at the old HP catalogs at http://hparchive.com/hp_catalogs
>> for the HP105B Quartz Oscillator.  The 1967 catalog has the 106A and
>> 107AR/BR on page 538, but no 105A/B
>>
>> 1968 $1800 p594-597
>> 1969 $1800 p648-651
>> 1970 $1800 p624
>> 1972 $1950 p237
>> 1973 $2145 p284
>> 1974Â  No catalog or supplement published
>> 1975 $2470 p287
>> 1976 $2725 p276
>> 1977 $2950 p274
>> 1978 $3250 p300
>> 1979 $3500 p282
>> 1980 $3750 p284
>> 1981 Not listed
>> 1982 $5750 p307
>> 1983 No price p281
>> 1984 No price p275
>> 1986 $5800 p257
>> 1987 $6400 p340
>> 1988 $6800 p467
>> 1989 $7500 p487
>> 1990 $8600 p491
>> 1991 $9000 p510
>> 1992 $9500 p556
>> 1993 $9700 p498
>> 1994/5/6 No catalog on the site.
>> 1997 No price p493
>> 1998 No price p503
>> 1999 No price p508
>> 2000 "The HP 105B quartz frequency standard uses the HP 10811D and is
>> available as a complete standalone instrument."Â  p 491
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