XPost: alt.folklore.computers   
   From: g4ugm@dave.invalid   
      
   On 15/11/2024 01:48, Lawrence D'Oliveiro wrote:   
   > On Fri, 15 Nov 2024 00:34:06 +0000, David Wade wrote:   
   >   
   >> You used a tuning fork with a thin "slit" attached to each leg. The   
   >> slits were arranged so they opened and closed as the fork vibrated   
   >> creating a tuned shutter.   
   >   
   > Ah, of course. The “Bulova Accutron” method of accurate timing   
   > calibration, before the technique was obsoleted by cheap quartz crystal   
   > oscillators. ;)   
      
   Yes, I own a couple of Accutrons. Always interesting. These days I use a   
   digital tacho thing that refelects off a reflective stick on strip to   
   time my TTYs   
      
   Dave   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)