Make that a dual rate moon camera.These were used to measure variations in
Earth's rotation period.
Bruce
On Tuesday, 3 January 2017 11:10 AM, Bruce Griffiths
<[email protected]> wrote:
Carter did have a couple of small historic brass transit instruments which
were never used by them.They also used to have a spectroheliograph which was
used. Its long since been dismantled.Ther was also a lunar camera complete with
alodined aluminium plate.
Bruce
On Tuesday, 3 January 2017 10:35 AM, Will Kimber <[email protected]> wrote:
Apologies Bruce,
It is a good many years since I was there last.
Cheers,
Will
On 01/03/2017 12:40 AM, Bruce Griffiths wrote:
> You mean the Dominion observatory surely not Carter. It was close by and also
> had a Danjon Astrolabe.
> Bruce
>
>
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