This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Homeoscope. en Second of three animated illustrating function of homeoscope Shows how search criteria are entered by pushing pins into wooden cylinder Adapted from on Russian WP Grwhite original file created by Anna Zinchuk and released into PD Semen Korsakov Animated
Page 2023 Free-images.com. All images are Public Domain