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Old 11-12-2012, 12:00 PM   #101
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Could it be its a lost wax cast?

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Old 11-12-2012, 04:55 PM   #102
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As I have been unable to find anything like this model. I doubt it is a casting. I am sure the threads have been cut by hand. Maybe this does not show too well on the photos.

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Old 11-13-2012, 12:24 PM   #103
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Is the internal thread rough too?
Hand cut?
If so then I think the word gobsmacked comes to mind!
How the hell did they manage to cut an internal thread? the mind boggles!

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Old 11-13-2012, 01:29 PM   #104
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Wouldn't they have used a tap and die or possibly a lathe? As far as the threads it looks like they've weathered over time. In my line of work I see threads like that all the time usually caused by corrosion of some sort. They may very well have been pristine threads when they were cut but time has taken its toll. Anyway that's just a guess.

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Old 11-13-2012, 02:51 PM   #105
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didn't they have lathes back a couple hundred years ago?


put your big girl panties on and man up ... fashion a rudimentary lathe

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Old 11-13-2012, 03:23 PM   #106
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Yeah they've been around since ancient times, but by the early 19th century they were capable of making that part, including the inner threads.

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Old 11-13-2012, 03:53 PM   #107
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It's possible they used a lathe to turn the part down, then used a tap and die to thread it. Found this about tap and dies:

"Metalworking taps and dies were often made by their users during the 18th and 19th centuries (especially if the user was skilled in toolmaking), using such tools as lathes and files for the shaping, and the smithy for hardening and tempering. Thus builders of, for example locomotives, firearms, or textile machinery were likely to make their own taps and dies. During the 19th century the machining industries evolved greatly and the practice of buying taps and dies from suppliers specializing in them gradually supplanted most such in-house work. Joseph Clement was one such early vendor of taps and dies, starting in 1828. With the introduction of more advanced milling practice in the 1860s and 1870s, tasks such as cutting a tap's flutes with a hand file became a thing of the past."

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Old 11-13-2012, 05:18 PM   #108
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Being an expert in this field what is your opinion of the age of this weapon. My own opinion on research carried out is around 1840 - 1860.

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Old 11-14-2012, 03:54 AM   #109
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I'm subscribing to this thread...

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Old 11-14-2012, 12:09 PM   #110
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Quote:
Originally Posted by PC167 View Post
I'm subscribing to this thread...
It's an interesting thread for sure. Davy really has him something there.
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