MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
L digit of part number indicates polaroid camera option; 5 inch apperature; accuracy one millionth of an inch; light source mercury lamp filtered for 5460 a; power requirements 115 volts 60 hz; material base and column cast iron, housing cast aluminum, work table hard anodized aluminum, master reference flat fused quartz; work table size 8 inches by 8 inches; vertical adjustment 4 3/4 inches; base dimension 17 inches by 13 inches; finish dark grey enamel; weight 170 lbs