touchmark
Appearance
See also: touch-mark
English
[edit]Alternative forms
[edit]Etymology
[edit]Noun
[edit]touchmark (plural touchmarks)
- (archaic) The manufacturer's official identifying sign, impressed into a pewter object.[1]
- 1988 Dec. 1, Susan G. Sawyer, Photog Pewter the Time-Honored Way," New York Times (retrieved 5 July 2012):
- For quality control, Parliament in 1503 required all London-made pewter to be stamped with the maker's symbol or touchmark.
- 1988 Dec. 1, Susan G. Sawyer, Photog Pewter the Time-Honored Way," New York Times (retrieved 5 July 2012):
- (archaic, rare) A symbol, sign, or other inscribed indication used to aid the alignment, calibration, or other adjustment of a measuring device or scientific instrument.
- 1876, W. H. H. Hudson, “On Observations made at San Antonio on the Total Solar Eclipse of 22 Dec. 1870”, in Proceedings of the Cambridge Philosophical Society: Mathematical and physical sciences, Volume 2, pages 205–6:
- 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.
- 1880, "Survey of the Albemarle and Chesapeake Canal", Report of the Chief of Engineers U.S. Army[1], page 864:
- The initial touch-mark was established at Roper's saw-mill, on the North River, and is a point on 20-penny nail driven flush with the horizontal surface of sill to bull-wheel.
References
[edit]- ^ Oxford English Dictionary, 2nd ed., 1989.
Further reading
[edit]- “touchmark”, in OneLook Dictionary Search.