| 单词 | pneumatic pen |
| 释义 | > as lemmaspneumatic pen c. With preceding word, as electric pen, pneumatic pen. A pen-shaped device which perforates paper with fine dots, enabling copies of writing, a design, etc., to be made by stencilling. Now chiefly historical (esp. with reference to such an instrument invented by Thomas Edison). ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > perforators perforator1855 electric pen1858 roulette1867 1858 J. Mullaly Laying of Cable 45 A pendulum arrangement,..making marks on the upper part of a strip of Morse registering paper, the middle marking style or electric pen being connected with the near end of the cable. 1879 Scribner's Monthly July 475/1 The success of the electric pen has led to the introduction of two new forms of perforating or stenciling pens. a1884 E. H. Knight Pract. Dict. Mech. Suppl. 697/1 Pneumatic pen, an instrument for obtaining a stencil for copying purposes. 1925 Science 5 June 585/2 A few of Edison's more important inventions outside of the electrical field, such as the telegraph instruments, the stock ticker, the typewriter, the electric pen. 2002 Times Herald (Port Huron, Mich.) (Nexis) 21 Jan. (Living section) 1 d Mr. Edison's ‘electric pen’ (an early mimeograph machine)..will be among the inventions visitors can investigate at the museum. < as lemmas |
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