Help, please

[Richard Fiero]

A cam is useful in turning circular motion into 
linear motion.  Perhaps yo-yoing into hermeneutics.

Natália Maranca wrote:
>I'm reading CofL49 and it was a very smooth read 
>so far, but now I'm stuck in this bit. I'm not a 
>native speaker, so be condescendent.
>It is on p. 102 in my Harper Perennial edition. 
>She is hallucinating all over San Francisco and 
>in the dawn she meets this old man who asks her 
>to drop a letter to his wife under the freeway, in the W.A.S.T.E. box.
>' "Under the freeway." He waved her on the 
>direction she'd been going. "Always one. You'll 
>see it." The eyes closed. Cammed each night out 
>of that safe furrow the bulk of this city's 
>waking each sunrise again set virtuously to 
>plowing, what rich soils had he turned, what concentric planets uncovered?"
>This is absolutely incomprehensible to me. I 
>loose the line of thought there and everything 
>he says after doesn't seem to make much sense. 
>Can anyone please explain it to me?