AtD translation: brick courses inside the little tunnels

[Mike Weaver]

Or strapped to the front of the train, though the tunnels on the London 
to Cambridge line are too short for much of an effect.

On 08/03/2022 13:56, David Morris wrote:
> That’s the **idea** Pynchon is describing: an optical illusion of the 
> arched brick courses (more literally the MORTAR joints between the 
> courses) looking like a helix spiral pattern, probably moving in an 
> animation-effect, much like the way a film’s projected series of still 
> images produces the effect of movement.
>
> Don’t expect it to become something you might see in real life (unless 
> you are tripping).
>
> David Morrs
>
> On Tue, Mar 8, 2022 at 3:47 AM Mike Weaver <mike.weaver at zen.co.uk> wrote:
>
>     Courses of bricks are staggered, so the lines will appear like
>     spirals.
>
>     On 08/03/2022 06:15, Michael Bailey wrote:
>     > *Good info on brick courses. Thanks!*
>     >
>     >> * > misty, booming past, brick courses inside the little
>     tunnels spinning by
>     > *>* in
>     > *>* > helical purity, *
>     >
>     >
>     > *But where does the helical purity come from? Is it an optical
>     effect
>     > from moving rapidly past the pattern?*
>     >
>     >
>     > *Field trip to England, I guess.*
>     >
>     > * Bucket list.*
>     > --
>     > Pynchon-L: https://waste.org/mailman/listinfo/pynchon-l
>
>     -- 
>     This email has been checked for viruses by Avast antivirus software.
>     https://www.avast.com/antivirus
>
>     --
>     Pynchon-L: https://waste.org/mailman/listinfo/pynchon-l
>