[time-nuts] historical question

[Sebastian Stolp]

hello time-nuts,
i have a friend who called me on a question of hewlett packard
and their usage of patek philippe clock displays in their devices.
he was asking me when the first device was built with that clock  
display.
i was not 100% sure, so i post this question here.
does anybody have some information about the product history of those
cesiums and what they looked like through the early years?

best regards,
sebastian



SEBASTIAN STOLP
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