ok, I finally had a chance to take this little guy out and figure some things out. Ok first A plays @ 451 Hertz which corresponds to English pitch 902 vibrations.  When I play C4 I get an E @ 337 Hertz which is roughly - 5 cents. When I play B3 I get Eb @ 317Hertz which is roughly -10 cents. G3 produces Bb @ 243 Hertz Which is roughly +33 cents. These little wooden mouthpieces are brutal! Now I'm going to need some maple syrup whiskey to soothe the numb lips. The sacrifices I make.

Thanks for all the info!! Ill attach a link to the other one on Ebay. It is a 2 ring without the rollers. Also I am curious to what the last line of text on the bell refers to. On mine it is AB on the Ebay one its PO.

On a side note a little about how this clarinet hobby started.

 It started after my friend who owns a music store sold me an Eb Harwood about 3 years ago. I have never played clarinet but I was intrigued. He knew that I liked to work on stuff, so the madness began. I was curious about how they were assembled so I took it apart and watched a ton of youtube videos.  I had recently bought a 1903 Steinway piano from the same guy, and spent about 6 months disassembling the entire thing and rebuilding it. My daughter was about 7 at the time so we did it together and had a great time! ( I don't play piano either) She is 10 now and still loves to play it. Then came my Split bamboo fly rod making year, then Making Japanese Kanna planes, restoring a Logan 955 metal lathe..... The list goes on and on. Although I am currently working On a Tannewitz GH 36 inch band saw, and god only knows what else! Clarinets have been at the forefront due too my 2 loves woodworking and mechanics. Plus I love tools, every new hobby MAKES me buy a new set of specialized tools. And as we know, "He who dies with the most tools wins."

   I have recently convinced my daughter to take up clarinet and she is doing well. 3 months in and she doesn't hate it!! So now I get her to teach me what she learns at school, Mix in some youtube videos and I can play scales LOL. My current focus is my embouchure and a tuner.  I am determined to reach an underachiever high school level. Id love to be able to give everyone playing characteristics and so on but I am unable. I will most likely send them to Phil at some point, if he was interested in doing a review on the ones that he hasn't yet.

Also I would like to thank everyone on here that posts such wonderful information! I have learned quite a lot and am looking forward to picking all of your brains. 

I recently picked up a nice little thibouville  Bb Albert system. One of the trill keys is broken but I really loved the bell. There is another one on ebay but is a little too pricey for me, and doesn't have rollers. I just finished the first gilding and now I need break out the magnifying glass and needle to clean it up a bit more.

 Any help on narrowing the year of manufacture would be greatly appreciated!! Under the upper section key work they do have 22 stamped. I found a catalogue with a model 22 but they weren't offered with rollers, and was much earlier I believe.

Got a Super Brilliante a couple of days ago and started to bring it back to life. One thing the immediately jumped out at me was the quality of the wood. There are virtually no pores and is pitch black. Also the density of the wood is quite noticeable just by picking it up. It does have one broken key, which I am on the hunt for.  Its the D# and its broken at the key barrel. The rest of the arm and cup are missing. It was missing the ring on the lower joint and had some damage to the tenon under where the ring should have been, that has been fixed and ring replaced. I gave it an oil bath, polished the keys out and gilded the logos. I also sanded the body with 2000 grit and some good old olive oil to shine it up. I did try something new when I gilded it. I had decent results with a liquid paste gold leaf from Hobby lobby in the past. But it didn't seem to last very long at all. This time I gilded it then sealed it with some CA glue. Then I sanded it with 2000 grit sand paper. I also have never seen (probably due to lack of experience) the tiny ball bearings pressed into the body where the flat springs make contact.

I will attach a couple of pics.

Super Brilliante sn# SM8941B

Ah, that's why he has a clarinet named after him!! 

Anyone on the board do tenon replacement?

Picked up an Artist Model serial # 17444. Just came out of its oil bath, and a polish job on the keys. One key from the upper joint and one on the lower joint have the last 3 of the serial number stamped on the underside. Serial number is stamped vertically on both sections. Ill attach some pics for reference.