Ethnographic Arms & Armour

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Philip 14th June 2010 06:39 AM

Threaded pommel nuts
 
Of course, my prior comments on pommel removal were penned with peened-over tangs in mind. If the hilt is held by threaded nuts, then there's no problem with taking off and replacing the components, providing the nuts can be unscrewed without encountering the vexing problem of threads frozen by deep-seated corrosion. You will probably have to improvise your own wrench or spanner if the nut isn't of a size or shape that can be gripped with commonly-available tools. Some pommel nuts are recessed, and are turned via split slots, visible on either side of the threaded bolt which is the end of the tang. A large, wide screwdriver thick enough to fit the slots will do the trick, once the center portion is filed out to clear the tang. Similar split nuts are sometimes encountered on the wooden slab grips of bayonets, cutlasses, and fascine knives (the French were fond of this type of attachment) so you may need to modify a variety of screwdriver sizes to fit these. I like the old-fashioned English-style joiners' or cabinetmakers' screwdrivers, their blades are beefy and well-tempered, and the bulbous wood handles are very ergonomic. Besides, the flattened area at the base of the shank is ideal for attaching a wrench to, so you can generate some awesome torque to back out a stubborn nut or screw.

Hotspur 16th June 2010 05:06 AM

Quote:

Originally Posted by Matchlock
Hi Hotspur,

Olive oil is the so-called tree oil (German Baumöl) that is mentioned in 17th century armory books as the optimal means of cleaning, together with Schmirgel (sand), and preserving iron surfaces, be it armor or arms. Olive oil is the yellowish patina on untouched surfaces of antique arms; if you clean it off you will get a perfectly preserved milky white iron surface with no rust.

I have been using it in my almost 40 years of conservation practice and will stick to it as it is the historic recipe and has proved to work just fine. During the cleaning process you will get no scratches on the iron surface, nor an unnatural shine afterwards.

Best,
Michael

Thanks, for the followup and explanation. I certainly didn't mean this to be a hit and run, nor derail a topic entirely with my own experiences. While I don't deny old recipes and tradition may have a place in use of maintenance, the materials have been updated with little difference in results. The amount of shine is certainly adjustable with any abrasives and sand or soil is just that. Oil is generally just as variable but my wonder about the viscosity and real worth of maintaining olive oil as a grail makes me sceptical that it is just tradition and a very subjective method of continuing it in modern conservation.

I recently received an item that was cleaned and conserved simply with soft cloths and paste wax. While it was minimally invasive of its then current state, what that left after a decade or so was simply cloaking dirt and even rust which continued to progress. My point, I guess is that the heavier viscosity of olive oil and any remaining "wax" is simply adding to patina instead of simple cleaning and more serious conservation.

Thanks for the reply

GC

Dmitry 10th August 2010 05:08 PM

Did you finish your conservation?
Perhaps we can see the results?

Dmitry 10th August 2010 06:20 PM

Also, I've searched 'tannin' and couldn't find any pharmacy products. Would anyone care to elaborate on it?

fernando 10th August 2010 06:37 PM

Search for "Tannic acid".
Contained in red whine, coffe, tea, spinach, etc
The formula is C76H52O46.
The other day, a museum restorer also adviced this stuff.
It is found, over here, in traditional drug stores.
Certainly acquirable in the Internet.
http://en.wikipedia.org/wiki/Tannic_acid

Dmitry 10th August 2010 06:43 PM

Thank you. I know what a tannic acid is. I was hoping it was available as a commercial product.The easiest way for me to obtain it is probably to brew some strong tea. Perhaps that's what I should do, and try it on an iron nail.

Dmitry 10th August 2010 06:49 PM

Found this -
http://www.homebrewit.com/aisle/p/6300B

fernando 10th August 2010 06:52 PM

Good that you found it.
I was already thinking of how to get some, over here, and send it to you.

Dmitry 10th August 2010 06:57 PM

Quote:

Originally Posted by fernando
Good that you found it.
I was already thinking of how to get some, over here, and send it to you.

Thanks! I'm thinking some strong-brewed tea would have the same effect. Will try it tonight on a musket barrel bracket that I f..ed up by over-cleaning it badly.
Will take some photos 'before and after'.

Atlantia 10th August 2010 10:33 PM

Dmitry/Gentlemen.
Its just been sat with WD40 on it to protect it while I decide what to do next.

Dmitry 18th August 2010 03:57 AM

For what it's worth, I wouldn't call this sword a Pappenheimer. The hilt is quite English in style and construction, at least to these green eyes.


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