{HEAD ~ The upper end} of {TAIL ~ the link} 13a is hinged to a bolt 14, which can be adjusted relative to the upper plate 8 and can be fixed in every adjusted position by a nut 15 
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{ HEAD ~ The upper end } of { TAIL ~ the link } 13a is hinged to a bolt 14 , which can be adjusted relative to the upper plate 8 and can be fixed in every adjusted position by a nut 15
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH