Micrometer with Instructions

For Macro Mondays "Numbers and Letters" theme. Numbers and letters are an important part of measurement.

 

For those of you who grew up with out the fun of our "Feet and Inches" system the table on the arch is for converting fractional inches into decimal inches. This is something we get quite good at, but I doubt that those using the Metric system worry about this much.

 

HMM

Done