Hans wrote:
I never heard of it, but maybe he thought about some
machine in his time as Imperial Mathematician in Prag
(1601..1612 - nice history on
http://www.kepler.arc.nasa.gov/johannes.html
) - but afaik the idea of calculating machines
did recive more attention (althrough more seen
as scince fiction) after the invention of the
Taschenuhr by Peter Heinlein (15something).
I've never heard of the Taschenuhr. Can anyone tell me more or direct me to
a source of information?
R.
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