Yamaha serial numbers

[Mark Wisner]

They changed back in the 60's when the first pianos they sent over here started developing problems related to dryness.  Loose tuning pins and cracked soundboards, mostly.

Mark Wisner 

-----Original Message-----
>From: David Doremus <algiers_piano at bellsouth.net>
>Sent: Oct 23, 2008 7:25 AM
>To: Pianotech List <pianotech at ptg.org>
>Subject: Yamaha serial numbers
>
>This is probably a dumb question but when did Yamaha start making 
>separate streams of pianos? Did they have a 'North American' piano in 
>the 60's and 70's? Didnt some get sold here back then from legitimate 
>dealers? Just trying to get this all straight in my mind.
>
>
>
>--Dave
>
>  New Orleans
>
> 
>