X-Ray Reveals Even the Tin in Your Socks 



A group of mollusks being X- 

 rayed to find out whether or not 

 they contain pearls. The shell- 

 fish are resting on the photo- 

 graphic plate directly under the 

 lens of the X-ray apparatus 



In a photograph of the shod foot the X-ray shows the bones of the foot the _ metal 

 eyelets for the laces, the nails in the heel and the wires and nails around the sole 



811 



