A camera 1, in which the electromagnet of {TAIL ~ the detection means} is used also to control {HEAD ~ the shutter closing action} 
A camera 1 , in which the electromagnet of { TAIL ~ the detection means } is used also to control { HEAD ~ the shutter closing action }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD