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Classic 1930s Georg Tremel( Merz) Munich telescope refractor 125/1800

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#1 Mike Mopar

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Posted 18 February 2024 - 06:47 AM

Hello,

I found this 1930s Georg Tremel /Merz, Munich FH refractor 125/1800 last year in an antique store in Germany.

It was in  bad shape. Very dusty and the aluminum tubes were full of dents.  I replaced the long 100 mm tube with a new straight brass tube.

All optics are in good condition. There were 3 eyepieces , an eyepiece revolver and a 90 degree prism in the box.

Seems that the telescope survided the war , but stood untouched for the last 40-50 years in that depot. No tripod

or mount was included in the package.  I put the 7 kg telescope on my old Vixen SP-DX mount.

Any other Tremel scopes out there?

Michael


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#2 Mike Mopar

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Posted 18 February 2024 - 07:15 AM

photos

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#3 Mike Mopar

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Posted 18 February 2024 - 07:26 AM

photos

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#4 Bomber Bob

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Posted 18 February 2024 - 09:10 AM

Hi Michael - Welcome to The Classics!!

 

Mama Mia!  What a unique & beautiful way to start your CN membership!


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#5 Mike Mopar

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Posted 18 February 2024 - 09:32 AM

Hi Bob,

thank you!  Yes, I had the luck to get it for a very low price last year. I heard of the Merz scopes, but was not sure who Mr. Tremel was.

I bought the big book from Jürgen Kost about the Merz history.  I even got a copy of a Tremel brochure of the 1930s from the German Museum in Munich.

Even with a price list.  For 780 RM ( Reichsmark )  you could get the 125 mm tube assembly.  But without mount and tripod.


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#6 Terra Nova

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Posted 18 February 2024 - 11:43 AM

That’s a very interesting telescope you have there Michael thank you for sharing with us. The Cincinnati Observatory was established in 1843. In that year they sent representative to Germany where they arranged for Merz-Mayer to build a 12” wooden-tube refractor for the new observatory. The new telescope arrived and was installed in 1845 after being shipped from Germany to New Orleans and then traveling up the Mississippi and Ohio Rivers via St. Louis and Louisville to Cincinnati. It’s still in use today. I have looked through it many times.

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Edited by Terra Nova, 18 February 2024 - 11:44 AM.

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#7 Dave Novoselsky

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Posted 18 February 2024 - 12:15 PM

Simply incredible.  My sincere congratulations.


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#8 Mike Mopar

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Posted 18 February 2024 - 02:07 PM

Dear terra,

 

thank you!  That is a great telescope with 12 inch objective! Mine is only 5 inch, but I think it belonged on a stand rather than a wooden tripod.

The seller knows nothing of the history and where it came from. There is an observatory near Heilbronn where it came from. I contacted them, but I got no answer yet.

Georg Tremel purchased the MERZ factory in 1933, but he only produced telescopes in smaller numbers, I read. Only the school telescopes had larger numbers.

He left Germany in 1940 and moved to Austria with his company.

Also included was a simple mount. I think it was not an original Tremel build part?

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#9 Dave Novoselsky

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Posted 18 February 2024 - 06:21 PM

I have, and enjoyed the rather expensive (nearly $100 on Kindle and even more in print version) book on Merz but it is devoted almost entirely to the company’s large, observatory sized instruments.  There is nothing I have able to locate that has anything about these later and smaller telescopes.

 

indeed, while there is a paucity of published works in English addressing the development and history of telescopes in general (with the exception of a flood of books on the Hubble.) I have found virtually nothing in print about ‘amateur ‘ American, European or Japanese telescopes other than Neil English’s excellent Buying and Using Classic Telescopes in the Patrick Moore series of books.  This site is a unique source and is much appreciated.


Edited by Dave Novoselsky, 18 February 2024 - 06:23 PM.

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#10 Terra Nova

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Posted 19 February 2024 - 07:57 AM

You’re most welcome Michael. I’m sure 5” Merz will give exquisite views. I love the accessories and the brass accents. I look forward to seeing the progress of your restoration and an observation report. You’re doing a wonderful job preserving an approximately 100 year old telescope of most august provenance. It’s definitely a worthy job!


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#11 AstroKerr

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Posted 20 February 2024 - 10:17 AM

You have done well. Always wear a smile. waytogo.gif


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#12 Mike Mopar

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Posted 21 February 2024 - 10:33 AM

Does anybody have any photos of  Mr. Tremel and his company? Or any photos of his workshops over the years 1900-1970?

Thank you!

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#13 Mike Mopar

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Posted 09 March 2024 - 06:56 AM

Hello,

is the owner of the 60 mm Tremel telescope still here? he posted his Tremel scope in 2016 here I think?

Thanks and best wishes,

Michael




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