These are "rare" slide whistle sounds used by Chuck Jones Enterprises/SIB Tower 12, and probably created by Lovell Norman. They're not currently available on any professional sound effects libraries.
Used In
TV Shows
Shorts
- Tom and Jerry (Heard in several of the Chuck Jones-produced shorts.)
Image Gallery
Tom and Jerry Chuck Jones Whistle Spins in "Rock 'n' Rodent"
Audio Samples
There are other variations used in Jones' cartoons for MGM that don't currently have samples, as well.