CD 135 [030] embossing index Chicago diamond grooves

By Dan Culver; posted March 27, 2008

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Embossing index [030] three different mold types that are significant. I will be submiting an artical in an up coming CJOW that will describe the different mold variations.

The Crown Jewels of the Wire issue that has the mold variation descriptions has been published and now the information can be found in the October 2008 issue that commemorates the 125th birthday of the Patent issue date of Oct. 13, 1883.

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