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Re: 20th century



Clarence said: "Similarly, if I measure a length, I don't put the 1"
mark of my ruler at
one end of it."

I do. I was taught, way back in undergrad, lower division days, to use
the 1 cm mark and subtract because one could not trust that the end of
the meter stick, ruler, scale, etc. had not been damages and
foreshortened from use.

Ray Rogoway

How do you use your vernier caliper?





Clarence Bennett
Oakland University
Rochester, Michigan 48309
248 370 3418
http://www.acs.oakland.edu/physics/staff_info/Bennett.htm