On Mon, 07 Sep 2009 14:47:02 -0400, Wayne.B
wrote:

On Mon, 07 Sep 2009 14:15:01 -0400, Gogarty
wrote:

Didn't Slocum use an ordinary beat up alarm clock for a chronometer? Do you
think today he would have made do with a $10 Cassio?

A $10 Casio would be better than the finest chronometer available in
his day. It would have been considered as miraculous as a cell phone
or hand held GPS.

Any of the electric watches can be adjusted to keep time within a
second per month. A insulating plastic case with metal against the
skin does a good job of keeping the temperature steady.

Casady