Commodity20062007
Drafting tables & machines, whether or not auto.$33 
Drawing/marking-out/mathematical calculating instr. other than drafting tab ...$18,926$15,897
Micrometers, callipers & gauges$3,653$8,508
Instruments for meas. length, for use in the hand (e.g., meas. rods & tapes ...$38,621$49,244
Parts & accessories of the instr. of 90.17$163$967
Total$61,396$74,616