STAND OPHTHALMIC INSTRUMENT W/THREE ARMS W/OVERHEAD LAMP
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GENERAL CHARACTERISTICS ITEM DESCRIPTION
"NWITH THREE MOVABLE ARMS W/AN OVERHEAD LAMP,SUITABLE FOR SUPPORTING AND POSITIONING A PHOROPTER,NSN: 6540-00-877-6464,AN OPHTHALMOMETER,NSN: 6540-00-353-3200 AND A SLIT LAMP,NSN 6540-01-032-4518,FROM A CENTER COLUMN; INSTRUMENTATION ON THE ARMS AND OVERHEAD LIGHT,TWO UPPER ARMS ARE POSITIONED BY SENSITIVE COUNTERBALANCED MECHANICAL LINKAGES,OPERABLE BY HAND; PUSHBUTTON POWER CONTROL SYSTEM LOCATED ON THE STAND TO POSITION THE CHAIR AND ACTIVATE THE OVERHEAD LIGHT; ARMS ARE NOT CONTROLLED BY ELECTRICAL POWER; THE TWO UPPER ARMS WILL SEIVEL 360 DEGREES ABOUT THE VERTICAL COLUMN; BOTTOM ARM WILL ROTATE NOT LESS THAN 180 DEGREES ON HORIZONTAL PLANE; STAND WILL BE COMPATIBLE WITH THE OPHTHALMIC CHAIR,NSN: 6540-01-177-2635"