A while back, in 2015, we had a light hearted conversation around the question of how @sunnybob could make a stand for four phones/tablets.
I helpfully pointed out that there was a totally suitable design from back in the 16th Century, by Agostino Ramelli which would cope with eight:
(see Bookwheel - Wikipedia )
Well, I am pleased to report that a bunch of clever engineers have got together and built not one, but two of these magnificent devices!
Naturally, being modern day engineers, they had to resort to CNC cutting to make the gears, but they the real deal and they work. The full story is here:
https://www.atlasobscura.com/articles/behold-the-renaissance-bookwheel
And before you ask, Yes, the plans are available online, here: EDGE so there is really no excuse for not making one. Don't put it off for five hundred years!
I helpfully pointed out that there was a totally suitable design from back in the 16th Century, by Agostino Ramelli which would cope with eight:
(see Bookwheel - Wikipedia )
Well, I am pleased to report that a bunch of clever engineers have got together and built not one, but two of these magnificent devices!
Naturally, being modern day engineers, they had to resort to CNC cutting to make the gears, but they the real deal and they work. The full story is here:
https://www.atlasobscura.com/articles/behold-the-renaissance-bookwheel
And before you ask, Yes, the plans are available online, here: EDGE so there is really no excuse for not making one. Don't put it off for five hundred years!