Jump to content

  •  

CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

Photo

Carl Zeiss Jena Travelling Telescope - Looking for Info

Classic
  • Please log in to reply
11 replies to this topic

#1 MJD1137

MJD1137

    Lift Off

  • -----
  • topic starter
  • Posts: 3
  • Joined: 16 Jun 2024

Posted 27 June 2024 - 10:55 AM

Hi everyone,

 

This telescope has recently come into my possession from a family friend and I thought I'd ask a community far more likely to have an understanding of its history and maybe some more information about it.

 

Appears to be quite an early model and I've got no other information really than what you can get from the pictures.

 

Any help would be greatly appreciated!  Thanks very much in advance.  Happy to take additional pictures of specific pieces if that helps.

 

Dumped the images to an imgur link as the file sizes were too large. 

 

https://imgur.com/a/S9bvMyr

 

J2iFNe1.png

 

qLYeEop.png

 

C0lVIDJ.png

 

rbbUdjX.png

 

DjA4U3Y.png

 

sgJkT2D.png


Edited by MJD1137, 27 June 2024 - 11:22 AM.

  • Paul Hyndman, RichA, Sasa and 4 others like this

#2 Astrojensen

Astrojensen

    James Webb Space Telescope

  • *****
  • Posts: 17,028
  • Joined: 05 Oct 2008
  • Loc: Bornholm, Denmark

Posted 27 June 2024 - 11:40 AM

That is a VERY early model, and in okay condition for its age. The serial number on the objective would put the manufacturing date somewhere in 1902, I think, possibly 1903. 

 

The all-brass tube is very, very rare, unless it's a painted tube, where the paint has been stripped. 

 

And it has the mount and the case...! That's quite the collectible right there. 

 

 

Clear skies!

Thomas, Denmark


  • Paul Hyndman, deSitter, Terra Nova and 2 others like this

#3 starman876

starman876

    Nihon Seiko

  • *****
  • Vendors
  • Posts: 25,809
  • Joined: 28 Apr 2008
  • Loc: VA

Posted 27 June 2024 - 11:46 AM

looks like a very early model in really nice condition. Only problem is the tripod hub looks like it might be damaged.   Is the round tube with it that fits on the tripod hub and then onto the fork that is attached to the OTA? and welcome to cloudy nights.


Edited by starman876, 27 June 2024 - 11:47 AM.

  • MJD1137 likes this

#4 MJD1137

MJD1137

    Lift Off

  • -----
  • topic starter
  • Posts: 3
  • Joined: 16 Jun 2024

Posted 27 June 2024 - 11:55 AM

Thanks for the welcome.  Yes, does appear that one of the 'hinges' lets call it, is broken off while a second is missing the half of it.

 

Wonder if it's worth having that repaired by a talented welder.

XGhA5s6.png

 

 

looks like a very early model in really nice condition. Only problem is the tripod hub looks like it might be damaged.   Is the round tube with it that fits on the tripod hub and then onto the fork that is attached to the OTA? and welcome to cloudy nights.



#5 MJD1137

MJD1137

    Lift Off

  • -----
  • topic starter
  • Posts: 3
  • Joined: 16 Jun 2024

Posted 27 June 2024 - 11:56 AM

Thanks very much for the information.  I figured the brass aspect might have made it an earlier model than many of the white enamel paint types I've seen when looking around.

 

Shame the mount is broken.  This was obviously a well loved instrument given the wear and tear!

That is a VERY early model, and in okay condition for its age. The serial number on the objective would put the manufacturing date somewhere in 1902, I think, possibly 1903. 

 

The all-brass tube is very, very rare, unless it's a painted tube, where the paint has been stripped. 

 

And it has the mount and the case...! That's quite the collectible right there. 

 

 

Clear skies!

Thomas, Denmark



#6 jragsdale

jragsdale

    Soyuz

  • *****
  • Posts: 3,573
  • Joined: 07 Dec 2015
  • Loc: Idaho

Posted 27 June 2024 - 12:38 PM

Looks like #745 lens was about ~1904. An E design, 60mm x 728mm FL. Here's a shot from the Diarium (journal) showing your lens.

Attached Thumbnails

  • Screenshot_20240627_113529_Drive.jpg

  • deSitter, Sasa, NSP and 1 other like this

#7 jragsdale

jragsdale

    Soyuz

  • *****
  • Posts: 3,573
  • Joined: 07 Dec 2015
  • Loc: Idaho

Posted 27 June 2024 - 12:42 PM

An experienced welder should be able to repair that tripod hub without too much issues. 


  • deSitter and MJD1137 like this

#8 Ken Launie

Ken Launie

    Messenger

  • -----
  • Posts: 428
  • Joined: 14 Apr 2008

Posted 27 June 2024 - 11:47 PM

An experienced welder should be able to repair that tripod hub without too much issues. 

That's assuming that the broken-off third leg pivot survives. More of a project if it doesn't as it'll involve some machining. Still worth doing in my opinion.


  • Terra Nova likes this

#9 zeiss refractor

zeiss refractor

    Lift Off

  • -----
  • Posts: 9
  • Joined: 06 Mar 2017

Posted 30 June 2024 - 10:17 AM

Hello Ken,

John Mutch, III here. Thomas nailed it, a very early first production in brass w/o scale window on focuser, pierced tripod hub (cast) with structural braces. Aluminum fittings on the tripod, no lock on case, early heavy brass obj. cover. OTA brackets separated, mounting pin much smaller diameter and wooden interior blocks designed differently. Knurling on obj. rim. Locking tensioner on focuser replaced.

Truly a scarce example, have fun with it!

Kind regards,

John


  • MJD1137 likes this

#10 mdowns

mdowns

    Fly Me to the Moon

  • *****
  • Moderators
  • Posts: 5,911
  • Joined: 12 Jun 2010
  • Loc: SW,FL

Posted 30 June 2024 - 08:53 PM

Thanks very much for the information, John.  Not much fun to be had unfortunately as Astronomy isn't necessarily a passion of mine so I'll be looking to sell this, hoping it ends up in the hands of someone who can truly appreciate the rarity and history of it.

 

Would anyone have some insight into how best to sell something like this?  Go the equitably way and allow those interested to bid it out in an eBay setting or better to list for example on a forum like this?

 I've sent you a pm with some helpful information in answer to your question.


  • Weisswurst Josef and MJD1137 like this

#11 Disawn

Disawn

    Lift Off

  • -----
  • Posts: 2
  • Joined: 30 Jun 2024

Posted 01 July 2024 - 07:27 AM

Hi everyone,

 

This telescope has recently come into my possession from a family friend and I thought I'd ask a community far more likely to have an understanding of its history and maybe some more information about it.

 

Appears to be quite an early model and I've got no other information really than what you can get from the pictures.

 

Any help would be greatly appreciated!  Thanks very much in advance.  Happy to take additional pictures of specific pieces if that helps.

 

Dumped the images to an imgur link as the file sizes were too large. 

 

https://imgur.com/a/S9bvMyr

 

J2iFNe1.png

 

qLYeEop.png

 

C0lVIDJ.png

 

rbbUdjX.png

 

DjA4U3Y.png

 

sgJkT2D.png

Nice find! I love old telescopes. It looks like a classic design, maybe from the mid-20th century.



#12 Kasmos

Kasmos

    Fly Me to the Moon

  • *****
  • Posts: 6,955
  • Joined: 19 Aug 2015
  • Loc: So Cal

Posted 03 July 2024 - 02:18 PM

Nice find! I love old telescopes. It looks like a classic design, maybe from the mid-20th century.

I guess you don't read.




CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


Recent Topics





Also tagged with one or more of these keywords: Classic



Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics