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A large Public Domain photo repository with high resolution free photos and vectors. All copyright free stock photos and royalty free photos, and CC0 Photos. 27000 free and public domain photos, images, clipart, pics and vectors and counting. To view/download a photo in high resolution, please click on the image.

Free Photos (Public Domain Photos),stock Photos, Clipart, images, and Vectors

A large Public Domain photo repository with high resolution free photos and vectors. All copyright free stock photos and royalty free photos, and CC0 Photos. 27000 free and public domain photos, images, clipart, pics and vectors and counting. To view/download a photo in high resolution, please click on the image.


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PAVLOV DOG CONDITIONING CARTOON  ILLUSTRATION
Conditioning vector illustration. Labeled Pavlovian respondent learn scheme. Dog experiment with food and bell. Salivation research diagram with behavior stimulus psychological educational explanation
the mechanics of the Pavlov
Ivan Pavlov cartoon portrait, Russian 
psychologist
The mechanics of the Pavlov
Illustration of a simple deformed dog and bell drooling in front of food