"Zoll" is a direct translation from "inch". Inches were used when measuring wood. The actual size was different from region to region, because there was no agr

"Zoll" is a direct translation from "inch". Inches were used when measuring wood. The actual size was different from region to region, because there was no agreement on whether it is 1/10 or 1/12 of a feet, and 1 foot itself would correspond to different lengths: https://en.wikipedia.org/wiki/Obsolete_German_units_of_measurement#Fu%C3%9F_(foot) https://en.wikipedia.org/wiki/Obsolete_German_units_of_measu...