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Whow.

Money! Get a life I say!

Looks gorgeuous but I've built one 10 years ago from plans in the Fisher book that looks just like that and it works well (to about 2- 5' and cost about £2 to make!) (scrap wood and bits). Likewise the Octant in his book. Unless you are rich and love real antiques.(yes please, I would love to have that, and do have an original 1920s Bygrave that somehow escaped the wrip off price a few years ago. )  If you are  not rich but like wonderful old  stuff, make your own from "Latitude Hooks and Azimuth Rings" by Dennis Fisher. Great fun and more rewarding for the soul I think than rich mans "collecting". P.S just finishing a replica of the rarest thing on cel nav earth or cosmos, , (only one remaining example known, in the Smithsonian, a Brown -Nassau spherical computer to work out Hc and Az. Looks great. Works great. Cost £2!) Will post when done, but very happy so far. If any esteemed US collegue can  wake up the Smithsonian and get them to send me a photo of the opposite side.(have asked them 3 times without reply! Typical state beaurocrats!) Meanwhie, Harri and I will probaly make an  exact replica without their  help.(or really knowing what the opposite side looks like, just guessing) A pox on all the state beaurocratic houses!

By the way, the web site  for Smithsonian says it was "out on loan". In my vast experience, that is beauro- speak for "lost", can't find it! Oh well, my replica may be all that is  left! Anyone want to buy it for $1000.00 ? No, Oh well!

Francis