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Craigslist,eBay and other vintage/classic telescope ads

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#51 sdedalus83

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Posted 03 June 2021 - 01:35 PM

Antique, supposedly German refractor with an equatorial mount, photo 102. Near LA this weekend.


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#52 jkmccarthy

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Posted 03 June 2021 - 01:39 PM

Two-tone blue 1970 vintage Sears Discoverer 6333-A equatorial refractor, 60mm / 900mm, with original wooden tripod, wooden case, and accessories (including a lighted tripod tray).  It appears to be in near-perfect and complete condition.   Seller confirms it's still available, and reports that "it is only missing the sun filter" (perhaps one of those not really safe to use anyway?) and "a ring that holds eyepieces is broken" (see photo #7).   Unclear to me whether that ring is an essential component or not ... can anyone elaborate?

 

https://www.facebook...30013248652180/

 

Seller in Los Angeles is asking $125.   PM me if seller won't ship to you, since I could possibly assist someone non-local who *really* wants this one ....

 

      -- Jim

 

EDIT:  Here's a second one, maybe not as complete, but OTA kept wrapped in plastic:  https://offerup.com/...tail/1212157859


Edited by jkmccarthy, 03 June 2021 - 04:38 PM.

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#53 Ben H

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Posted 03 June 2021 - 02:16 PM

Antique, supposedly German refractor with an equatorial mount, photo 102. Near LA this weekend.

That's a Kosmos D61, xavier once sold one listed for $800

Google Cached listing available @ https://webcache.goo...n&ct=clnk&gl=us


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#54 jkmccarthy

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Posted 03 June 2021 - 02:58 PM

Antique, supposedly German refractor with an equatorial mount, photo 102. Near LA this weekend.

It's most definitely German ...

 

-940386513.jpg

 

Magnifying the picture above 300% on my laptop screen, the text across the top of the 1-page description inside the box reads "Kosmos fernrohr" B 61 (German for "cosmos telescope" B 61), and turning to Google it seems to be quite similar to this item (although I don't see a brass finder anywhere inside the box of the estate auction item):

 

https://astromart.co...sroom-telescope

 

(asking price was $600 for anyone not registered on Astromart).  School-telescope in German translates to "Schulfernrohr".

 

Google also returned a hit to a CN classified listing (item 101497) for a Kosmos Fernrohr D 61 vintage 1930 +/- ... the link to the ad appears to be dead, but links to several of the photos uploaded in March 2017 with the ad still survive (given the large number of photos, I suggest you right-click on these links to select open in a new tab ...):

 

((EDIT 12:40pm PDT:   these are the *same* photos found the 'cached' CN classified ad that Ben H found -- well done, Ben!  Probably much less effort to use Ben's link above : - ))

 

https://www.cloudyni...-1490222398.jpg

 

https://www.cloudyni...-1490222412.jpg

 

https://www.cloudyni...-1490222475.jpg

 

https://www.cloudyni...-1490222462.jpg

 

https://www.cloudyni...-1490222432.jpg

 

https://www.cloudyni...-1490222422.jpg

 

https://www.cloudyni...-1490222451.jpg

 

https://www.cloudyni...-1490222442.jpg

 

https://www.cloudyni...-1490222488.jpg

 

 

Lastly, here are links to two PDFs (both in German) describing restorations of related (but seemingly not identical) instruments (e.g., they each have tangent arm slow-motion controls in Declination) ... but interestingly, the second PDF contains this vintage advertisement (dated 1927) for the bare-bones Schul-Fernrohr "A 61" model:

 

gallery_363526_16547_88339.jpg

 

See also:

 

http://www.astrotech...-kosmos-D61.pdf

 

http://www.astrotech...oads/kosmos.pdf

 

 

Thanks sdedalus83 for spotting this one among the very large number of estate auction items!   I'd be interested to know if anyone here plans to bid on it .....

 

      -- Jim

 

((EDIT 2:15pm PDT:  Putting page 6 of the second PDF, which references the "Figure 6" advertisement above, through Google translate:

 

The KOSMOS school telescopes

 

The traditional series of astronomical school telescopes at KOSMOS extend [back] to the founding time [of] the teaching materials department in the early 1920s.  The school telescope “Model A 61” (Figure 6) was initially a simple equatorial mounted telescope offered for [amateurs].  An achromatic double objective with 61mm aperture and 810mm focal length already allowed demanding observations of the sky. For about 340 Reichsmarks (approx. 1927), the Sternfreund [literally, Star-friend = amateur astronomer ?] received a fully equipped [complete] instrument, consisting of telescope, equatorial axis cross [mount] and tripod.

 

The mounts used came from the Astro-Optical Workshop [of] Georg Tremel in Obermenzing, near Munich, which is the successor to the world famous Merz [whose reputation] had [already been] successfully established in amateur circles.   Precisely when these mounts were [originally] developed by Tremel can no longer be reliably dated from today's perspective.  However, it can be assumed that these specimens were already [in] existence in the 1920s when Tremel was still employed at Merz.  Various advertisements of the KOSMOS company in the author's own books (e.g. Henseling's Astronomical Handbook, [vol.] 2., 1925 edition) confirm this.   With the bankruptcy of the Merz plant in 1932, production ceased [and was subsequently] continued by the company setup by Tremel [as] the Astro-Optical Workshop of Georg Tremel and August Lösch.

 

In order to keep the entry price for the school telescope "A 61" from the KOSMOS teaching aids department as low as possible, the equatorial axis cross [mount] “table stand A” (which from 1959 [onwards was] referred to as table stand “B”) [was] deliberately kept simple.  Elaborate fine movement mechanisms were absent, as well as any automatic tracking system that would have increased the total price significantly. The school telescope already had one [R.A.] hour circle with 5 minute subdivisions, as well as a declination circle with graduations [of 1-degree].

 

A highlight of the school telescope program was the "C" model (see Fig. 1, page 3) which was first presented to customers in 1924. This [line] of instruments, available in [apertures] from 68mm to 81mm, [each]  included in the basic version [i.e., came standard with] the elaborate "table stand C" and developed over the years into a bestseller.  These [were sold] under various names (e.g. "C 68", "E 68", "R 70", "LW 70") and technical modifications in the KOSMOS sales program up until 1982 (see box on page 8).

 

Over the manufacturing years from 1924 to around 1940, this school telescope formed the crux of the astronomical device program at KOSMOS.  With the beginning of the 2nd World War, production gradually came to a standstill, and it was not until 1952 that rebuilding -- [after the] bombing that had badly destroyed the [production facilities] house -- made the prerequisites for a new beginning [once again] possible.

Post-war sales started with the school telescope “E 68 ”(Fig. 7), which succeeded the“ C ”model.  The Tremel mounts offered were slightly changed [in] form, but they continued to [comprise] the basic mechanical framework for the KOSMOS telescopes.

 

))


Edited by jkmccarthy, 03 June 2021 - 04:30 PM.

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#55 NTR180

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Posted 03 June 2021 - 03:14 PM

Edmonds Scientific reflector plus mount for only $25 in Phoenix. https://offerup.com/...22?q=Telescope
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#56 Wisconsin Steve

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Posted 03 June 2021 - 04:05 PM

Two-tone blue 1970 vintage Sears Discoverer 6333-A equatorial refractor, 60mm / 900mm, with original wooden tripod, wooden case, and accessories (including a lighted tripod tray).  It appears to be in near-perfect and complete condition.   Seller confirms it's still available, and reports that "it is only missing the sun filter" (perhaps one of those not really safe to use anyway?) and "a ring that holds eyepieces is broken" (see photo #7).   Unclear to me whether that ring is an essential component or not ... can anyone elaborate?

 

https://www.facebook...30013248652180/

 

Seller in Los Angeles is asking $125.   PM me if seller won't ship to you, since I could possibly assist someone non-local who *really* wants this one ....

 

      -- Jim

Hi Jim, that Sears is a nice 60mm scope if local. Shipping with the wood box would probably almost double the cost. I think $125 would be max on this if in nice shape.

 

Steve


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#57 Russell Smith

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Posted 03 June 2021 - 07:19 PM

99vr

https://www.ebay.com...4.m46890.l49286

#58 Ben H

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Posted 03 June 2021 - 09:13 PM

MTS-SN6 for $140 in Pennsylvania 

 

https://www.facebook...35-33e9f7517c7e



#59 DouglasPaul

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Posted 03 June 2021 - 10:12 PM

Mystery (to me) Vintage Telescope W/ Accessories & Case.

 

https://www.shopgood.../Item/123145727


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#60 Chuckfishes

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Posted 03 June 2021 - 10:32 PM

Mystery (to me) Vintage Telescope W/ Accessories & Case.

https://www.shopgood.../Item/123145727

Late 50's Space Telescope. Pre asto Optical lens. Probably labled Yamatar. It's also packed wrong in its case. It should be packed fully assembled and stored Origami style.
Nice scope.

Edited by Chuckfishes, 03 June 2021 - 10:34 PM.

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#61 39cross

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Posted 04 June 2021 - 07:25 AM

Unitron 114, complete early model  - on AMart, $450

 

Per seller this is a mid-50's model.  Is a 60mm refractor worth $450?  Maybe to a collector?  Just wonderin' out loud.

 

Edit: now on CN: https://www.cloudyni...te-early-model/


Edited by 39cross, 04 June 2021 - 05:22 PM.

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#62 starman876

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Posted 04 June 2021 - 07:32 AM

Unitron 114, complete early model  - on AMart, $450

 

Per seller this is a mid-50's model.  Is a 60mm refractor worth $450?  Maybe to a collector?  Just wonderin' out loud.

That is a very early 50's model.  Not very often you see them without writing on the lens cell.  In the condition it is in with the boxes $450 is reasonable.   They are wonderful scopes with a great build.


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#63 39cross

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Posted 04 June 2021 - 09:49 AM

That is a very early 50's model.  Not very often you see them without writing on the lens cell.  In the condition it is in with the boxes $450 is reasonable.   They are wonderful scopes with a great build.

Thanks for explaining - then it's a combination of rarity and condition (and desirability) that drives the value.  But would you want to do a DPAC to make sure you got a good one - or can you trust that an early 50's model is going to be one of the good ones?  I'm not planning on trying to buy it for myself, but am just wondering.  I felt the allure of Unitron for many years, but for me that's mostly gone now (except maybe for one of the mounts) - but a spark endures.



#64 DouglasPaul

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Posted 04 June 2021 - 11:45 AM

Late 50's Space Telescope. Pre asto Optical lens. Probably labled Yamatar. It's also packed wrong in its case. It should be packed fully assembled and stored Origami style.
Nice scope.

I wonder what the odds are of that OTA surviving shipping?



#65 AstroKerr

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Posted 04 June 2021 - 12:37 PM

I wonder what the odds are of that OTA surviving shipping?

Oh, woe, 'tis doomed... has to cross the mountains, CW on board... not good, not good at all... in theory, it'll make it to Az ok, but up the coast?! Might as well drive down and smash it with a hammer - save FedEx the trouble. And that's only if it hasn't already been dropped whilst being packaged - case torn and twisted, legs broken, tube bent to a precise 47.2°... better to wait it out on CL/OU/LIG/FB and fetch it yourself... "odds of that OTA surviving..." - just have it shipped straight to a WA state landfill, soften the blow... 


Edited by AstroKerr, 04 June 2021 - 12:47 PM.

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#66 starman876

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Posted 04 June 2021 - 12:40 PM

I wonder what the odds are of that OTA surviving shipping?

if you pack a scope up properly then the odds are very good.  I have shipped dozens and dozens of scopes without an issue.  


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#67 Bomber Bob

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Posted 04 June 2021 - 12:40 PM

Thanks for explaining - then it's a combination of rarity and condition (and desirability) that drives the value.  But would you want to do a DPAC to make sure you got a good one - or can you trust that an early 50's model is going to be one of the good ones?  I'm not planning on trying to buy it for myself, but am just wondering.  I felt the allure of Unitron for many years, but for me that's mostly gone now (except maybe for one of the mounts) - but a spark endures.

Trust... but verify.  Yes, DPAC & star / sky test.


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#68 sdedalus83

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Posted 04 June 2021 - 01:10 PM

Nice set of volcano top eyepieces.


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#69 Terra Nova

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Posted 04 June 2021 - 01:26 PM

That is a very early 50's model.  Not very often you see them without writing on the lens cell.  In the condition it is in with the boxes $450 is reasonable.   They are wonderful scopes with a great build.

It looks exactly the same as mine. Based on the info I got from the family of the first owner of mine, I attributed it to 1955-56.


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#70 Terra Nova

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Posted 04 June 2021 - 01:32 PM

Oh, woe, 'tis doomed... has to cross the mountains, CW on board... not good, not good at all... in theory, it'll make it to Az ok, but up the coast?! Might as well drive down and smash it with a hammer - save FedEx the trouble. And that's only if it hasn't already been dropped whilst being packaged - case torn and twisted, legs broken, tube bent to a precise 47.2°... better to wait it out on CL/OU/LIG/FB and fetch it yourself... "odds of that OTA surviving..." - just have it shipped straight to a WA state landfill, soften the blow... 

My but you’re an optimist today! :lol:


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#71 DouglasPaul

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Posted 04 June 2021 - 01:47 PM

if you pack a scope up properly then the odds are very good.  I have shipped dozens and dozens of scopes without an issue.  

Yes, but, you aren't the one packing it. If you were it wouldn't be laying  all strewn out like it is.


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#72 mfoose

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Posted 04 June 2021 - 01:58 PM

Meade 8" f/6 Newtonian. I think it is one of the Meade 826 OTA's, the tube doesn't look like a cardboard one which I believe the Starfinder models were. Includes a Jaegers EP and a 20mm Brandon Vernonscope Wide Angle EP as well. Looks like it is in great condition. No visible marks on the tube, still has a shine, and it still has the end caps. Mirror may have a mark on it, but it could be an image of the reflection. No mount included. Kent, OH $150 says shipping included for an additional $75: https://www.facebook...31793473673015/


Edited by mfoose, 04 June 2021 - 02:00 PM.

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#73 AstroKerr

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Posted 04 June 2021 - 02:38 PM

My but you’re an optimist today! lol.gif

smile.gif tired I guess, General. I was thinking of the old Helical focus Tasco that finally came in - they'd dropped it when packing, used a lot off bubble afterward (so they couldn't lay it on FedEx). Cover dented in, jammed in the end of the tube, little handle broken... a clip on the primary had snapped off and the primary/foam and fibre disc had slid forward and jammed under the secondary & past full-in focuser tube, caught by a clip - it picked up 2 small sleeks but no scratches, chips; sec is okay, focuser is jammed and grease-seized - still, all will be fine. Got very lucky - Urania is Kind! But such things do happen...

 

Then an allnighter working on Antares and a few others - even Curryscope! Heavy, all brass, pretty decent optics including a lil teensy lever in the EP at where a lens normally woould be -  which rotates a bitsy light green filter in and out of the path inside the EP end housing! Have to tighten some slip in the focuser - waiting for the WD to soak in. 40mm x ~700mm, ~f/17.5, mag is around 15~25x or so, erected corrected image is brighter than expected - whole thing is better than expected! It has some age to it, but the hardware inside for the little the filter looks ~80s maybe. Didn't see CA on Luna 'round 0630 - but that was white on blue-grey and it is a 40@f/17.5 so... I'm just happy as a something-that-is-happy it focuses quite well with a good clear, clean image - it's getting polished and some vines and leaves added... Sybs is on that

 

I'm rambling - sorry. Bedtime. Take a few scope risks, dear people - things work out waytogo.gif

 

-= Hey-ey-ey Come on, Try a little! =-


Edited by AstroKerr, 04 June 2021 - 02:47 PM.

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#74 photiost

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Posted 04 June 2021 - 03:20 PM

That KOSMOS school telescope sure looks interesting !!



#75 starman876

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Posted 04 June 2021 - 03:46 PM

Yes, but, you aren't the one packing it. If you were it wouldn't be laying  all strewn out like it is.

exactly what is your point.  You have no idea who will be packing it.




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