100 years ago in AMERICAN MACHINIST Color digests Many machinists used visual twines such as color.

100 years ago in AMERICAN MACHINIST

Color digests

Many machinists used visual twines such as color, as a measure of heat. if it be not that not everyone sees colors in the same way, which is on what account one reader decided to voice his opinion forward this subject in a alphabetic character to the editors in May 1899

Back then, "cherry red" was used as a measure of heat for tool knife However, as the reader pointed on the outside the color of cherries varies from white to black, in like manner the term "cherry red" has a different meaning for each somebody Switching to "blood red," as intimateed by a man ...

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