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Here are some good photos of my TS.
It is exactly of the same type Humboldt used:-)
I obtained results of remarkable accuracy for this type of sextant
with it.

Alex.
________________________________________
From: NavList@fer3.com [NavList@fer3.com] on behalf of Noell Wilson [noell_wilson@southwire.com]
Sent: Wednesday, April 23, 2014 7:51 AM
To: eremenko@math.purdue.edu
Subject: [NavList] Re: Troughton Simms pocket sextant for $85 on eBay

I looked for Troughton and Simms photos and came up with one decent photo at
http://www.humboldt.edu/scimus/AvH_HSU_Centenial Exhibit/Box_Se... but that 
site won't come up now. The subject is "Humbolt's Latin Expedition 1799-1804" 
and they describe a "Snuffbox sextant by Troughton of two inch radius, with a 
nonius divided into minutes, telescopes which magnify four time (sic), and an 
artificial horizon of crystal (?)".
The single small photo shows what I would think is a typical box sextant with 
two knobs - one of which is an adjusting key - with the mechanism entirely 
within the two plates as opposed to the exposed screw in the $85 
"Throughton".
I vote fake.

Unfortunately, I also found several other ads for antique, vintage, and 
otherwise Troughton & Simms box sextants that were too cheap in price and 
construction. My suspicion is that the reproduction manufacturers have 
decided that the market for Hughes London fakes is saturated and are 
branching out.
In general the reproduction, and fake, sextants seem to be getting better 
looking, the asking prices are going up, and the descriptions don't always 
start with "100% brass" or "Titanic size". It's taking more time to scan 
through the eBay listings. Most of the eBay sellers of reproductions have 
100% ratings.

Regards Noell
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