Roger, for "pitch" try OED, Pitch (second entry, I.1, a and b). I came
across it in 18thC exploration literature; it has something to do with
physical position and is used pretty inventively. Germaine
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Germaine Warkentin // English (Emeritus)
VC 205, Victoria College (University of Toronto),
73 Queen's Park Crescent East, Toronto, Ont. M5S 1K7, CANADA
[log in to unmask] (fax number on request)
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