SS-18 ICBM
Oscillator

I can attest to the "million different kinds of tea". It's ridiculous. No reading material or whiteboard though.

I knew it and still didn't, so... thought maybe there was some other reference unknown to me. Anyway, sorry to derail.Just knowing this turn of phrase is enough to understand the joke.
http://en.wiktionary.org/wiki/more_than_one_can_shake_a_stick_at
Whether you then find it funny is up to you.