Can anyone here identify....
this item and it's use? Thanks Rob
http://www.ebay.com/itm/WW-2-1941-Da...item58a42543aa |
Plotting duva
Hi Rob,
These were often strapped to a tripod leg and used with a Artillery plotting board. More of a trainning room apt than used in the field. Bloody well made but useless... like Lara Bingle. Wayne |
Wayne,
How were they used? I can think of all sorts of uses for the sight and parallel ruler function but what was its artillery purpose? Lang |
Well made
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I have one somewhere for my plotting board... never used it yet and normally leave it behind... as already said... very well made!
Tim Quote:
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No cartographers here?
Rob, it's an open sight alidade. It was used to make topographic maps on a plane table. The idea was you would use the sights to determine the direction of an object, a level to estimate its elevation and stadia measurements to determine its distance. The operator would plot features of interest onto a map. The RCA (your interest I presume) used these in 1st and 2nd Survey RCA.
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1 Attachment(s)
Here is a more sophisticated similar instrument.
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Not being an Ozzie I had to Google Lara Bingle. I must confess I would have more use for her than for the Alidade.... :yappy: :nono: says the wife. :giveup |
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