{HEAD ~ Position sensing mechanism}, particularly for photographic apparatus controlled by a digital computer, includes a magnetostrictive position sensing device for supplying information on the positions of {TAIL ~ movable parts} of the apparatus to the computer 
{ HEAD ~ Position sensing mechanism } , particularly for photographic apparatus controlled by a digital computer , includes a magnetostrictive position sensing device for supplying information on the positions of { TAIL ~ movable parts } of the apparatus to the computer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH