A young boy studies as he watches the cuckoo mark the top of the hour. The grandfather clock strikes the hour as the cuckoo makes his appearance. This public domain image is great as is or could be carefully cropped to just include the clock.
Published in 1873, The Nursery, A Monthly Magazine for Youngest Readers Vol XIII – No. 4 was a children’s magazine. That publication date puts this vintage image in the public domain.
This image is copyright free and in the public domain anywhere that extends copyrights 70 years after death or at least 120 years after publication when the original illustrator is unknown.