[time-nuts] Cesium beam tube on eBay
bdale at gag.com
Thu Sep 8 10:10:25 EDT 2005
On Thu, 2005-09-08 at 09:57 +0200, Magnus Danielson wrote:
> serial number 1924A02909
If I recall correctly, HP serial numbers of that vintage are YYWWCNNNNN.
YY is the year expressed in years since an epoch, usually 1960. So 19
WW is the week of the year in which the last manufacturing change was
C is the manufacturing location, A means USA.
NNNNN is a sequential unit number.
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