"a425couple" wrote in message
...
... Would you care to look at this one & offer info.?
http://en.wikipedia.org/wiki/File:HM...le_drawing.png
Probably one generation earlier
(or, the first modern battleship).


hnsa.org is a good source for old naval technical manuals:
http://www.hnsa.org/doc/rangekeeper/index.htm

http://www.cityofart.net/bship/dreadnought.html
"the gentlemen of the split-field optics manning the rangefinders
before the bridge; and the gentlemen of the telescope manning Director
Firing Control in the spotting top."

jsw