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Equipment Discussions >> Classic Telescopes

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terraclarke
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Reged: 05/29/12

Loc: Just South of the Mason-Dixon ...
Re: Unitron history- slant letters new [Re: starman876]
      #6366590 - 02/09/14 04:57 PM

I had always thought that it was late 60s. Until.........

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gelkin
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Reged: 09/22/10

Loc: Western, MD.
Re: Unitron history- slant letters new [Re: terraclarke]
      #6366613 - 02/09/14 05:04 PM

I always heard 1965.

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actionhac
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Re: Unitron history- slant letters new [Re: terraclarke]
      #6366620 - 02/09/14 05:07 PM

Plastic knobs started around 1960
Saw cut "T" in the tubes ended around 1965
Slot screws to Phillips ?
Italic Unitron ?


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terraclarke
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Re: Unitron history- slant letters new [Re: actionhac]
      #6366634 - 02/09/14 05:12 PM

Yes, italic or slant letters on the engraved name rather than vertical lettering. It has often been used as a quick means of dating. I now think, more erroneously than I once thought.

Would you believe that I have a 1958 catalog and viewers guise with slant letters throughout on the product photographs and also on the print logos throughout. The catalog is clearly dated 1958 throughout, in multiple locations, and the product photos show all the old manufacturing styles- black engraved setting circles, no setting circles on the #128; holes in the RA worm gears, nickel plated knobs, no bolt on cradles- they are part of the mount, etc, etc.


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terraclarke
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Re: Unitron history- slant letters new [Re: terraclarke]
      #6366660 - 02/09/14 05:28 PM

I bring this up not only because of this catalog but my #152 that I got along with this catalog or vice-versa. The telescope has all the old style manufacturing:

10x42 finder with metal dew shield and brass draw-tube with changeable eyepiece.
The solar panels are the old style with the flat winged thumbscrews rather than the round ones.
The eq. Mount has holes in the RA worm gear, engraved black setting circles, and the more flat black rather than shiny black finish.
There is no secondary RA slow motion control on the mount.
The slow motions for declination are shiny chrome metal, no plastic.
Other features on the mount are of the oldest design.
The cradle is integral to the mount.
All black metal parts on the OTA and finder matches the mount's finish perfectly.
Tripod bolts have hex nuts on both sides, no wing nuts.
Other design features seem to show similarity to my 1955 62mm #114.
It all looks exactly as shown in pictures in the 1958 catalog.

Yet, strangely, the engraved label 'Unitron' is on the focuser and on the cell, (and in the catalog).

Edited by terraclarke (02/09/14 05:30 PM)


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starman876
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Re: Unitron history- slant letters new [Re: terraclarke]
      #6366663 - 02/09/14 05:29 PM

Don't you hate the D and the S being right next to each other on the keyboard

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starman876
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Re: Unitron history- slant letters new [Re: starman876]
      #6366667 - 02/09/14 05:31 PM

also, that catalog does not mean it came with that telescope originally. Where is the date stamped in the catalog?

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terraclarke
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Re: Unitron history- slant letters new [Re: starman876]
      #6366692 - 02/09/14 05:38 PM

No, it doesn't mean that the telescope came with the catalog originally, but the catalog is clearly marked 1958 and yet it shows the italics.

The catalog has the date (1958) on the inside of the front cover AND the Milk Street address. It also has the date in fine print in the lower left margin of every other page (the left page).


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Bomber Bob
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Reged: 07/09/13

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Re: Setting Circles new [Re: terraclarke]
      #6366723 - 02/09/14 05:49 PM

"no setting circles on the #128"

Were setting circles optional on scopes from that decade; or, not even provided at all??


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terraclarke
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Re: Setting Circles new [Re: Bomber Bob]
      #6366737 - 02/09/14 05:57 PM

The early #128 (60mm eq.) mount never had setting circles, nor were they an option. They were, however, standard on all larger model eq. mounts from the get-go. By the early to mid 1960s, setting circles had become standard on the #128 as well.

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Bomber Bob
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Re: Setting Circles new [Re: terraclarke]
      #6366743 - 02/09/14 06:01 PM

I'm thinking my Monolux 4380 must be from around 1962, since the similar mounts from earlier don't have setting circles - unless Mayflower, Monolux, Swift, Tasco, et al had those as an option, but it sounds unlikely.

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terraclarke
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Re: Setting Circles new [Re: Bomber Bob]
      #6366767 - 02/09/14 06:08 PM

I don't think so Bob. I have a 1962 Monolux, with engraved serial number indicating the date and it's made by Royal Astro (embossed trademark). It has some differences from yours as well. And it does have setting circles.

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Bomber Bob
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Re: Setting Circles new [Re: terraclarke]
      #6366773 - 02/09/14 06:09 PM

So... do you think mine is earlier or later than your RAO model??

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Bomber Bob
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Re: Monolux 4384 new [Re: Bomber Bob]
      #6366789 - 02/09/14 06:16 PM

Holy Cow!!

A Monolux 4384 (60mm f/20) sold for $1,525.00 on A-mart in 2011... THAT is very hard to believe!

[http://www.astromart.com/auctions/details.asp?auction_id=6581]


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terraclarke
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Re: Unitron a history new [Re: Bomber Bob]
      #6366813 - 02/09/14 06:23 PM

Let's do Monolux in a separate thread.

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Bomber Bob
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Reged: 07/09/13

Loc: The Deep South, USA
Re: Unitron a history new [Re: terraclarke]
      #6366833 - 02/09/14 06:30 PM

Here ya go --> http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/6366830/page...

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gelkin
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Reged: 09/22/10

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Re: Setting Circles new [Re: terraclarke]
      #6366894 - 02/09/14 06:57 PM

During the 50's and the very early 60's, Unitrons ads in S&T where very good at announcing new models or new model types. In Nov 1961 the back cover ad features the "new 2.4 in eq refractor w/ setting circles and optional motor drive". This is the type we are all familiar with. Except with a non bolt on cradle. Unitron ads have always had italic lettering on their headings and addresses. Photos of the actual scopes into the 60's had straight lettering through out. During the back half of the 50's drawings of the scopes that were made for ads had italic lettering. Does your catalog have drawings? Would be great to have it scanned and added to Classic Telescope Catalog site.
Early on ads had many advanced notices, sometimes for months and announcements of new available models. So I think dating in the 50's to 60 or so is pretty good. Seems like after the 60's they used the exact same photos or drawings for ads and catalogs for years to come. With out a receipt who knows.


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starman876
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Re: Setting Circles new [Re: gelkin]
      #6366912 - 02/09/14 07:07 PM

Very good point Gerald

Thanks


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terraclarke
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Loc: Just South of the Mason-Dixon ...
Re: Setting Circles new [Re: starman876]
      #6366989 - 02/09/14 07:40 PM

That's just it Gerald, the photos in the 1958 MilkStreet Catalog and Viewers Guide also show Italic letters engraved on the focuser (and on Unihexes)! Can I take pictures of the document and post them?

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gelkin
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Reged: 09/22/10

Loc: Western, MD.
Re: Setting Circles [Re: terraclarke]
      #6367086 - 02/09/14 08:18 PM

No, against policy. I wish you could.

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