FYI, I believe that Tatjana van Vark is a "she" and not a "he".
Tinkergirl
· 3 years ago
I apologise deeply if that is the case - I couldn't find a single pronoun on the site to give me a clue either way, and the photograph didn't help me too much either. I am also unfamiliar with the gender of name Tatjana, but I'll take your word for it. My greatest apologies for any insult to Ms. van Vark.
Steven Horii
· 1 year ago
If you enjoy what Tatjana van Vark has built, it is a good idea to return to her Web site regularly. Along the lines of the Harmonium, she completed a Henrici harmonic analyzer/Hele-Shaw planimeter. Original machines like this exist in the magnificent collection of the London Science Museum (they have, for example, a William Thompson (Lord Kelvin) mechanical tidal computer).
A link to the Henrici analyzer (the spheres have pickoffs at 90deg to generate sine and cosine components). There are a couple of these in the London museum:
All Comments
A link to the Henrici analyzer (the spheres have pickoffs at 90deg to generate sine and cosine components). There are a couple of these in the London museum:
http://www.tatjavanvark.nl/hha/