hi there all gnomonists
I was given a limestone sundial to restore and
parts of it have broken. I was told to use an epoxy glue to stick these stone
parts to the stone sundial itself...can someone please tell me any good brand
names of such products?
Thanks
Alexei Pace
The prime vertical radius of curvature of the ellipsoid (the radius of the
osculating circle in the east-west direction) is given by
a^2
N = ---
(a^2 * (cos phi)^2 + b^2 * (sin phi)^2)^0.5
The ellipsoid of the Geodetic
At 12:18 3-8-98 +0100, you wrote:
-Original Message/Oorspronkelijk bericht--
Fellow Shadow Watchers,
Information boards are being prepared for a
nearly-completed large dial on a hill near the Northumberland (UK) coast
which is 94 metres above mean sea level
Fellow Shadow Watchers,
Information boards are being prepared for a
nearly-completed large dial on a hill near the Northumberland (UK) coast which
is 94 metres above mean sea level at Latitude 55° 1' 38 North Longitude 1°
30' 16 West.
The latest question is How far
On Mon, 3 Aug 1998, Tony Moss wrote:
The latest question is How far away is the sea horizon?
Like most sundial questions this is also of imporance in navigation. How
far away the horizon is at sea depends, of course, on how far above sea
leval you are. If you are treading water with your