touchmark

Tanımlar (İngilizce)

1. isim The manufacturer's official identifying sign, impressed into a pewter object.

   “For quality control, Parliament in 1503 required all London-made pewter to be stamped with the maker's symbol or touchmark.”

2. isim A symbol, sign, or other inscribed indication used to aid the alignment, calibration, or other adjustment of a measuring device or scientific instrument.

   “The instrument used was a refracting telescope by Dollond. . . . The cap containing the diaphragm was furnished with a touch-mark consisting of a projecting spoke. When in adjustment as described above this mark was parallel to the short side of the parallelogram.”