Jeff Wisnia wrote:

http://www.tatjavanvark.nl/harmonium/

Beautifull machining though isn't it? She(?) must be one in a gadzillion.
Holy **it! This lady has WAYYYY too much time on her hands!
Some beautiful machining, both the artsy stuff and the technical
work. The one with the inertial nav platform is really neat,
shows somebody moving the platform by hand and the
gyro-stabilized platform holding position in reference to the
universe. Even shows it doing a quick flip when it got near to
a gimbal lock.

There is a credit line at the bottom of the home page that says
the beautiful contraptions were made by Mrs. Tatjana van Vark.
There is a white-haired woman seen from the back in the
"Navigation and Bombing System" section. You have to see
"Overview 1" of that to see what a CONTRAPTION she's built in
her house!

Under Oscilloscopes, it notes Tatjana was born in 1944, she
built her first oscilloscope in 1958. She's definitely got me
beat by nearly a decade (of course, she got a head start, too.)

Jon