引用の仁義 "Is this paper thick enough?"

引用の仁義　"Is this paper thick enough?"

http://content.wisconsinhistory.org/u?/wmh,17858
The Original Typewriter Enterprise,1867-1873 Richard N. Current
397

foot notes

15 Sholes to Densmore, Sept. ., 1869; James to Amos Densmore, May 20, 1876;
Weller, Early History, 27-30. Sholes typed a letter to Densmore, Oct. 28, 1869, on cardboard
an eighth of an inch thick, and added a penciled note in which he triumphantly
asked, " Is this paper thick enough? "

引用　二次文献
二次文献の扱い
先行研究　引用
http://www.jaist.ac.jp/coe/library/jssprm_p/1998/pdf/1998-1A6.pdf
http://www.urano-ken.com/research/seminar/2005/seminar_tanaka.pdf

melodeon sholes interfere

http://www.google.com/patents?id=ErkAAAAAEBAJ&pg=PA1&vq=interfere&dq=melodeon+sholes&source=gbs_search_r&cad=1_0#PPA1,M1
melodeon sholes interfere

collision "type bar"

http://news.google.com/archivesearch?q=collision+%22type+bar%22&btnG=Search+Archives&scoring=t

http://cdl.library.cornell.edu/cgi-bin/moa/pageviewer?frames=1&coll=moa&view=50&root=%2Fmoa%2Fmanu%2Fmanu0022%2F&tif=00252.TIF

Nov 1, 1890 - With thie Hammond printing foim there cannot be a collision between the types, whilst in mnachiines of thle class above named, if two keys are struck simuitama otisly, as may happen in rapid working, they will either fail to reachl the h)Oint of impression or will bend or break, ...
From The Hammond TypeWriter. - Manufacturer and builder