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Scott Owen wrote:

> As to whether or
> not he is a reliable source I leave that to your opinion.

No matter how many times the same original information is re-hashed, the
fact that there is no _new_ original information prevents us from adding
to the knowledge base.  There is still not a clear record of exactly
which instrument was referred to and whether Newton's invention(s)
played a role in Halley's voyages.

As far as it being a "disclosure", there is little real information
presented (that I've seen).  Certainly not enough to allow a patent
reviewer to resolve priority.

> So now we have Sir Isaac Newton and Dr. Hooke (rivals) saying they each
> invented the double reflecting principle and an instrument to measure
> such.  Newton in 1699 and Hooke sometime before 1665.

Hooke and Newton tangled a lot about a lot if things.  There's no
guarantee (without going into the gory details, which aren't present
here) that Hooke was annoyed about the priority over a double-reflecting
instrument or whether he considered his single-reflecting instrument to
be priority enough.  Sometimes those guys whinged about priority without
worrying about what was actually at hand (Galileo, as an example of the
kinds of attitudes among those old egos, claimed to have discovered
everything in the heavens with his telescope and refused to accept
anyone else's discovery as being unique - modern scientists tend to be a
_little_ more discerning ;) ).

> Ultimately, the Royal
> Society settled the Godfrey/Hadley dispute by saying it was
> "simultaneous and independent invention".  Both of these instruments use
> the double reflecting principle but look sufficiently different.

Godfrey's is almost identical to the original of Hadley's, which in turn
is little different from Newton's.  They ignore other instrument
inventors, such as Caleb Smith and Jean-Paul Fouchy.

Mike




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