A Is For A! An Illustrated Alphabet in Verse: Letter B

For 'semisphere
of lead' (one mere-
ly micrometers wide)...?
I'd pen a 'B'*
(halv'd 'BB', si...?),
though Bs ain't bona fide.

     * Not referenced is 
the British Broadcasting 
Corporation.

A Is For A! An Illustrated Alphabet in Verse: Letter X

"If you'd commit 
some unknown bit
to paper, doing math,
just write an 'x,'" 
advise most techs,
"...nor take no 'o'ther path!"