On 11 Jan 2007, at 09:03, Robbins, Val wrote: > Isn't it time for how much water it takes to empty/fill a lock, or > even whether props pull or push water, yet? Or is it too early in > the year?
You forgot "Were balance beams designed to help wooden gates to float (in addition to their more obvious purpose)?" ;-) -- Andy Greener n.b. Whisper Pangbourne, UK http://www.nb-whisper.com "The human brain starts working the moment you are born, and never stops until you stand up to speak in public."
