[Cronos]

quix: Purportedly the difference in the standard sea level at Corwall England can vary by as much as 450 feet.

Quix -- you presumably mean 450 mm. The sea-floor at Cornwall even at Plymouth near the shore is not that deep.

[Quix]

No. I meant 450 feet because that’s what John Moore said.

I did NOT MEAN

AT

CORNWALL ENGLAND.

Between the average mean sea level AT Cornwall England

and highest mean averages at other points—such as various points in the bulge at the equator—THAT

DIFFERENCE can be as much as 450 FEET.

according to some.