G'morning David,

 DW> If the dial was designed for Britain, i.e. a latitude of about 50 deg.
 DW> N, and Auckland is about 90 degrees south of that, it would be possible
 DW> to make the dial work there, not by rotating it in a horizontal plane,
 DW> but by mounting it on a north-facing vertical wall, with the 12 o'clock
 DW> line pointing downward. Its orientation would then be the same as it
 DW> would be if mounted on a horizontal surface in Britain, so it would
 DW> work fine. The numbers would be upside-down, though.

Good thinking again ... and using Roman numerals couldn't deal 
with upsidedown-ness...

 DW> I'm assuming that it was a dial of the common kind, with a
"gnomon" -

That's what the photos showed at the time  -  I just didnt think 
to check the labels at that time...   wait a few days and I'll 
make an opportunity to check all that out.

Miles.
 
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