Commodity2007200920102011
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...   $81
Micrometers, callipers & gauges$115   
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ... $61$79 
Parts & accessories of the instr. of 90.17   $65
Total$115$61$79$146