14-Mar-2006
The end hole dimension was given in the Y axis along the slot. I had previously spotted the location using the proper Y dimension taking the X dimension by measuring the drawing. The rotary table was rotated, with centering scope mounted in a collet, until the spotter hole was visable. I intended to use it only for the Y dimension, but it was surprisingly close to the correct position. I then noted the angular position. When I positioned the rotary table at the same angle in the oppisite quadrant, the spot was in the scope, very satisfying!
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