Sportello - Door/Window/Doc/Pynchon

[John Carvill]

>> There are many grids in GR.  The most famous one probably being Slothrop's map.
>
> Indeed. And I think there was probably quite a lot of relevant stuff
> in Against the Day - the Venetian sequences, for instance.

Such as:

"The problem lies with the projection. The author of the Itinerary
imagined the Earth not only as a three-dimensional sphere but, beyond
that, as an *imaginary surface*, the optical arrangements for whose
eventual projection onto the two-dimensional page proved to be very
queer indeed."

 - Against the Day, p249