if the tube's northern bias was reversed

if the tube's northern bias was reversed

Quoted from: http://freesouthlondon.wordpress.com/2010/03/02/a-symbo....ssion/

© Copyright: see author in the original source of this image. [?]

Comments

Would you like to say something?

Sign up to comment (it's free!) or log in if you're already a member.


We want to know your feedback! Tell us! »