XPost: alt.folklore.computers   
   From: ldo@nz.invalid   
      
   On Thu, 14 Nov 2024 22:19:48 +0000, Sn!pe wrote:   
      
   > Lawrence D'Oliveiro  wrote:   
   >   
   >> On Thu, 14 Nov 2024 18:45:48 GMT, Charlie Gibbs wrote:   
   >>   
   >> > Original Teletype machines ran at 45.45 baud.   
   >>   
   >> I remember labels on Creed machines saying "50Bd".   
   >   
   > I had a Creed 7B 60 years ago, I used it for RTTY.  It had two   
   > governers, one for 45.45 Bd, the other for 50Bd.  They had white strobe   
   > marks on the circumference to set the speed accurately.   
      
   Hmmm ... presumably the strobe marks were for use with a fluorescent   
   light ... driven from AC mains frequency? Did they have different marks   
   for 50Hz versus 60Hz mains?   
      
   No, that wouldn’t work, you would need entirely different gearing for the   
   strobe wheel ...   
      
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