In comic books in the latter half of the 20th century, there often appeared an advertisement for "[[X-Ray Specs (novelty)|X-ray Specs]]" which displayed the face of a smiling boy wearing glasses with spirals on the lenses looking at his hand through which he could see the bones. |
In comic books in the latter half of the 20th century, there often appeared an advertisement for "[[X-Ray Specs (novelty)|X-ray Specs]]" which displayed the face of a smiling boy wearing glasses with spirals on the lenses looking at his hand through which he could see the bones. |