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8" F-14 Alvan Clark

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#26 Ziggy943

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Posted 10 December 2012 - 02:16 PM

I hope they keep the telescope in good repair. Polishing the brass once in a while would help. It looked much nicer here.

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#27 Ziggy943

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Posted 10 December 2012 - 02:19 PM

For you Jim, Rachel.

The picure is distorted. I don't know why it gained in width. It should be skinnier.

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#28 Dan /schechter

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Posted 10 December 2012 - 03:32 PM

Hi Guys,
I am having a brain fart. Which scope is pictured in Ziggy`s last post?
Thanks,
Dan

#29 Ziggy943

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Posted 10 December 2012 - 04:57 PM

Rachel, the 20" Brashear refractor at Chabot Observatory.

#30 Scott99

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Posted 10 December 2012 - 06:09 PM

what a gorgeous instrument and facility! Thanks for posting. Will put this on my list for the next trip to SF area. There's nothing better than viewing through a local Clark refractor when traveling IMO.

Here is the official website for Chabot:

http://www.chabotspace.org/leah.htm

#31 JustinO

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Posted 10 December 2012 - 06:31 PM

"You can only get that feeling with a refractor"

I know the command terminology for sailing and artillery, is there a command terminology for maneuvering a large refractor?

"Prepare to slew Right Ascension"

"Slew Right Ascension"

"Fire! Er, I mean LOOK!"

#32 Bill Cowles

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Posted 10 December 2012 - 06:31 PM

Sig polishes the brass on his 9" Clark, more than once in awhile. :smirk:

Bill

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#33 Bill Cowles

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Posted 10 December 2012 - 06:34 PM

Here is a closer view.

Bill

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#34 Bill Cowles

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Posted 10 December 2012 - 06:37 PM

One more without the focuser.

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#35 dgreyson

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Posted 10 December 2012 - 07:18 PM

aw mannn.... now I want one but I'm on the naughty list! Dag! Ive spent most of my money on wine, women and Song. The rest I just wasted.

#36 Dick Parker

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Posted 10 December 2012 - 10:32 PM

Daniel -

Thank you !!, thank you!!, thank you!!.

My friend Allen Hall and I, plus Skyscrapers members restored the 8 inch Alvan Clark at Seagrave. Perhaps you saw the article in the August Sky & Tel. And we are building 3/4 scale reproductions (See "DIY antique telescope" thread in ATM/DYI section of Cloudy Nights) the Leah telescope is a sister telescope.

We have repeatedly asked several times over several years for detailed pictures of the Leah telescope. Nobody there has actually helped us.

I knew that the telescope had been outfitted with a motor clock drive, but the original flyweight regulator was supposidly in a cabinet near by. (ATS forum recently had a remender thread regarding the restoration of a 12 inch Clark and in their report they mentioned they visited the Leah and saw the regulator). Did you by any chance get a photo of it??

Thanks again for sharing these photos, and I would be very intereted in any and all other shots you took.

Thank you again.
Dick Parker

#37 Dr Morbius

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Posted 10 December 2012 - 11:21 PM

I'm in love with refractors, all over again - Wow!!!

#38 mikey cee

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Posted 10 December 2012 - 11:29 PM

"You can only get that feeling with a refractor"

I know the command terminology for sailing and artillery, is there a command terminology for maneuvering a large refractor?

"Prepare to slew Right Ascension"

"Slew Right Ascension"

"Fire! Er, I mean LOOK!"

Justin....any chance you can post a pic of that 8" AlvAn Clark? ;) Mike

#39 mikey cee

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Posted 10 December 2012 - 11:34 PM

Zig....That is one pertty polishing job. A real gem of a scope that I'm glad to have looked at and thru in person. ;) Mike

#40 JustinO

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Posted 11 December 2012 - 12:42 AM

Dick Parker --> Your regulator and mine are related. Mine is a bizarre electric conical pendulum regulator. I know of three that have existed:
Mine, which came to me by miracle to replace...
The one originally supplied with my "Cook" telescope, but lost, and
The one that is with the "Bishop" wherever that is now.

Mine is ever so slightly different from the other two.

The resemblance between your "Clockwork" regulator and my "Electric" regulator is obvious. Do you know anything about who made yours? Was it the Clark shop or some sub?

The world wants to know.

Thanks, Justin.

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#41 JustinO

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Posted 11 December 2012 - 12:50 AM

Mike --> My telescope is in many pieces, but here is picture from a Clark catalog that looks identical. (it may be of mine). I'm cleaning and lacquering as fast as I can....

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#42 Bill Cowles

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Posted 11 December 2012 - 12:34 PM

Here is the base for the 9" Clark, in one of our clubs, SLAS, observatories.

Bill

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#43 tim53

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Posted 11 December 2012 - 05:01 PM

"You can only get that feeling with a refractor"

I know the command terminology for sailing and artillery, is there a command terminology for maneuvering a large refractor?

"Prepare to slew Right Ascension"

"Slew Right Ascension"

"Fire! Er, I mean LOOK!"


or "HELM, 108!!"

#44 Dan /schechter

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Posted 11 December 2012 - 05:49 PM

Hi Justin, Please post some pictures of your 8" Clark no matter if in pieces or not.
Thanks,
Dan

#45 Dan /schechter

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Posted 11 December 2012 - 05:54 PM

Hi Bill,
According to the SLAS website, the picture of the red refractor is 7.9" Brandt. Is the pier originally for a 9" Clark?
Thanks,
Dan

#46 Ziggy943

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Posted 11 December 2012 - 06:11 PM

Daniel -

Thank you !!, thank you!!, thank you!!.

My friend Allen Hall and I, plus Skyscrapers members restored the 8 inch Alvan Clark at Seagrave. Perhaps you saw the article in the August Sky & Tel. And we are building 3/4 scale reproductions (See "DIY antique telescope" thread in ATM/DYI section of Cloudy Nights) the Leah telescope is a sister telescope.

We have repeatedly asked several times over several years for detailed pictures of the Leah telescope. Nobody there has actually helped us.

I knew that the telescope had been outfitted with a motor clock drive, but the original flyweight regulator was supposidly in a cabinet near by. (ATS forum recently had a remender thread regarding the restoration of a 12 inch Clark and in their report they mentioned they visited the Leah and saw the regulator). Did you by any chance get a photo of it??

Thanks again for sharing these photos, and I would be very intereted in any and all other shots you took.

Thank you again.
Dick Parker


I loved the article. You guys did a great job.

#47 Bill Cowles

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Posted 11 December 2012 - 07:23 PM

Sig is that the pier from the 9" Clark?

Bill

#48 GeneT

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Posted 11 December 2012 - 07:30 PM

Nice--really nice telescopes!

#49 JustinO

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Posted 11 December 2012 - 09:09 PM

Here is a photo of the "Gustavus Cook" telescope's tube hung from the joists soon after arrival -- the focuser has been cleaned of grim and old lacquer, but not platings/coatings.

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#50 Dan /schechter

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Posted 11 December 2012 - 09:19 PM

Thanks for posting Justin.
Do you have a picture that shows the Clark signature?
Dan


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