I have a Brass tabletop, about 1 metre across.?
I would be tempted to use a car buffer and brass polish. Shouldn't take that long. After that, you might want to research a lacquer to seal it in and prevent the oxidation from coming back. I know they do that with brass ornaments you get from stores...
removable flow restrictor, what is that?
For years now, showerheads have been required to discharge only 2.2 gallons of water a minute. Not much water, but it is enough. Anyway, in most showerheads, it's a small round disk with a tiny hole in the center, and is removable. It should increase...
Thermodynamic Functions!?
Ok, so dS is defined to be Under constant pressure, the dq would be equal to dH so; q= 33.47kJ delta H=33.47kJ dS = dq/T dS = dH/T (under constant P) so delta S = delta H/T Now, at the boiling point the temperature of the boling system does not chang...