Definition of Tympan sheet. Meaning of Tympan sheet. Synonyms of Tympan sheet

Here you will find one or more explanations in English for the word Tympan sheet. Also in the bottom left of the page several parts of wikipedia pages related to the word Tympan sheet and, of course, Tympan sheet synonyms and on the right images related to the word Tympan sheet.

Definition of Tympan sheet

Tympan sheet
Tympan Tym"pan, n. [F., fr. tympanum a kettledrum, a panel of a door. See Tympanum, and cf. Tymp.] 1. A drum. [Obs.] 2. (Arch.) A panel; a tympanum. 3. (Print.) A frame covered with parchment or cloth, on which the blank sheets are put, in order to be laid on the form to be impressed. Tympan sheet (Print.), a sheet of paper of the same size as that to be printed, pasted on the tympan, and serving as a guide in laying the sheets evenly for printing. --W. Savage.

Meaning of Tympan sheet from wikipedia

- Tympan means skin, and is used in a variety of technical meanings. In an astrolabe, a tympan is a metal plate on which the coordinates of the celestial...
- when folded on to the tympans, and both turned down over the forme of types and run in under the platten, preserves the sheet from contact with any thing...
- touching the target sheet, the frisket covers the area that is not desired to print. The frisket is set in a frame, often hinged to the tympan that holds the...
- finished paper such as Bristol, placed upon the plate and covered with a tympan before slight pressure is applied. The collotype process uses much less...
- hands and skin getting stained black with ink when removing sheets of paper from the tympan. In 1683, English printer Joseph Moxon wrote that "devil" was...
- the late 1220s, vaults and walls were erected in bricks, partly hidden by sheets of sandstone. Only the outer wall of the southern row of chapels shows unhidden...