User talk:169.241.63.74

November 2015
Please refrain from making unconstructive edits to Wikipedia, as you did at Lens (optics). Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Theroadislong (talk) 18:49, 12 November 2015 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself so you can avoid further irrelevant notices.

Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Lens (optics), you may be blocked from editing. --I am  k6ka  Talk to me!   See what I have done  21:58, 12 November 2015 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself so you can avoid further irrelevant notices.