On Monday 31 August 2015 04:42:12 Doug wrote: > On 08/29/2015 09:20 PM, rlhar...@oplink.net wrote: > > On Sat, August 29, 2015 8:33 pm, Gene Heskett wrote: > >> On Saturday 29 August 2015 21:24:47 rlhar...@oplink.net wrote: > >>> Forgive me; my fingers are dyslexic. > >> > >> So are mine. They don't type what I tell them to lots of the time. > >> Coulnd't be the accumulated years (nearly 81) could it? > > > > Not necessarily. > > > >>From time to time, I have found a sudden, large increase in the number of > > > > typographical errors in the documents which I produce. And several > > times, investigation has revealed that the problem lies in a worn-out > > keyboard. > > > > Back in the 1960's and 1970's, manufacturers such as Honeywell and Cherry > > made keyswitches with a life rating in the tens of millions or even > > hundreds of millions of keystrokes. Nowadays, it is becoming difficult > > to find a keyboard with a rating in the tens of thousands of keystrokes. > > > > Many manufacturers today have a poor keyswitch design which utilizes > > low-quality plastics; they depend upon a lubricant such as wax to keep > > the plunger working freely. And when the wax wears away, the plunger > > begins to stick. And when the plunger does not depress freely, the > > result is a multitude of typographical errors. > > > > RLH > > What you need is an IBM model M keyboard. They are refurbished and sold by > Clicky Keys: > > http://www.clickykeyboards.com/
I use an IBM KB-9910. Not quite as good as the Model M, nor as good as I was trying to find, but not bad. I make loads of typos. Old age? Poor sight? The fact that I am a lousy typist? The last one certainly. The sight doesn't help. But so far I don't feel that old age has exacerbated things. Lisi