Please do not add or change content, as you did to
Hancock air whistle, without
verifying it by citing a
reliable source. Please review the guidelines at
Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you.
69.181.253.230 (
talk)
02:07, 4 May 2014 (UTC)
Please do not add or change content, as you did to
Hancock air whistle, without
verifying it by citing a
reliable source. Please review the guidelines at
Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you.
69.181.253.230 (
talk)
02:07, 4 May 2014 (UTC)