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There is no reason to place the cross on this page; it is about an instrument not about a heraldic thingie. An argumented edit (edit summary) was automaitcally reverted. Arnoutf 17:22, 4 April 2007 (UTC)
The cross is referenced in the article. It makes for a good comparison. --evrik(talk) 17:32, 4 April 2007 (UTC)
Can you tell me where? I cannot find it accept in the see also section (which is not a reference). The comparison only holds for the black cross which is not the common depiction at all. Arnoutf 17:42, 4 April 2007 (UTC)
At Jacob's_staff#History, it says, "Named after the Biblical figure Saint James the Great, the original Jacob's staff was developed as a single pole device in the 1300s that was used in making nautical and astronomical measurements." This is a good citation. --evrik(talk) 18:12, 4 April 2007 (UTC)
Yes it is a good source; but I have never doubted the staff device was mentioned after the Saint (what's in a name after all). It does not say that it was named after the Cross of StJames, it may as well be named after him because of his function as protector of the pilgrim (who had to navigate) that the staff was named after him. Hence this line does not make the claim about the cross of StJames. Arnoutf 18:21, 4 April 2007 (UTC)
Fine, I'll change that one .. --evrik(talk) 18:30, 4 April 2007 (UTC)
I've made some significant changes based on bits and pieces I've come across recently. Most of the changes are to re-organize the text so that things flow better with the additions.
It is possible that consideration should be given to splitting this page into two - one for surveying and another for astronomy and navigation. Jacob's staff is such a general term, it is overused in so many ways. Michael Daly 02:20, 1 October 2007 (UTC)