Yet Another Show And Tell.

[stewey]

What is this, and what is the function of it?
http://i42.tinypic.com/t9tvgn.jpg

[tonyav]

Does it show what sign of the zodiac you are in ?.

[anneasquith]

clock/watch movement.

[Psybbo]

Watch mechanism

[mallyh]

old compass

[carrust]

Is it an Irish computer? :-)

[stewey]

Close, but I won't say who:). Don't forget, there are two parts to the question

[weecalf]

Fly wheel of a tractor ?

[anneasquith]

telling the time ¬

[humbersloop]

mr sloop thinks it's a single escapement pocket watch movement and it might be for the tick, the chime or the date

[Psybbo]

To tell the time or true north?

[mallyh]

an astrolabe used to determine the height of the sun or stars for navigational purposes

[paddywak]

It's the balance spring and movement of a watch, used for adjusting the time piece

[anneasquith]

stewey why are you not '' over the fields '' tonight ?

[stewey]

Anneasquith, I'll be hopping across shortly if I can get my directions straightened out.

[tonyav]

Better use your compass then, stewey !.

[ELVIS68]

It's the adjustment on a Swiss handmade pocket watch, probably late 1800s, probably worth about £300-£500

[vakayu]

\is it some sort of sun dial?

[Prudie]

Is it part of a metronome?

[stewey]

Tonyav, you swallowed a red herring:)

[tonyav]

DOH.