[time-nuts] The Original Time Nut

[BriMDavis at aol.com]

Jan wrote:
>
>Can anyone point to some good reading on John Harrison
>
 The Dava Sobel book mentioned elsewhere also seems to
have been released in an illustrated edition including period
documents and equipment photographs:
 
"The Illustrated Longitude", Sobel & Andrewes,
1998 hardcover, 2003 paperback
 
( I don't own that edition, but shall add it to the wish list )
 
Also, Chapter 14 of "The Art and Science of Analog Circuit Design",
Williams (ed), 1995, titled 'John Harrison's "Ticking Box" ', summarizes
his efforts towards the Longitude Prize.
 
Brian






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