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Description
Jenaer Jahrbuch zur Technik- und Industriegeschichte 2014 - Band 17Peter Hahmann Eberhard Hahn: Entwickler auf dem Gebiet der Elektronenoptik Reinhard Steiner Die Entwicklung der holografischen Gitter bei Carl Zeiss Jena Teil 1: Grundlagen und Technologie der Plangitter Wolfgang Busch zur Entwicklung der Fernrohrapochromate im Zeisswerk. Paulys zweilinsiger Apochromat. "A" Anfang und Ende Roger Ceragioli Das Plssl Okular: Eine Erfindung aus Jena? Walter Pfaff Betrachtungen zur betrieblichen Entwicklung whrend meiner
Peter HahmannEberhard Hahn: Entwickler auf dem Gebiet der Elektronenoptik
Reinhard Steiner
Die Entwicklung der holografischen Gitter bei Carl Zeiss Jena
Teil 1: Grundlagen und Technologie der Plangitter
Wolfgang Busch
zur Entwicklung der Fernrohrapochromate im Zeisswerk.
Paulys zweilinsiger Apochromat. "A"- Anfang und Ende
Roger Ceragioli
Das Plössl-Okular: Eine Erfindung aus Jena?
Walter Pfaff
Betrachtungen zur betrieblichen Entwicklung während meiner Tätigkeit in
OAs seit 1931 bis Februar 1967 auf dem Gebiet der Produktion von
Astrooptik sowie einschlägiger Großoptiken im VEB Carl Zeiss Jena
Hermann Mucke
Vollautomatische Feuerkugelstation in Oed / Martinsberg NÖ
Lutz D. Schmadel
Namen Kleiner Planeten mit Bezug zur astronomischen Optik
Ernst Fauer
Sonnenuhren in Jena
Lambert Grolle
Dr. Otto Eppenstein und die Entwicklung der Feinmessgeräte
bei Carl Zeiss Jena bis 1945
Horst Ihling
Einer der Männer der ersten Stunde in der Ostzone:
Der Rennfahrer Kurt Baum aus Hainspitz
Willi Wille
Brücken verbinden
Hans-Jürgen Schorcht
Ingenieurausbildung in Thüringen
von ihren Anfängen bis heute
Nachruf auf Karl-Werner Gomel (1936-2014)
Nachruf auf Alexander Heyroth (1926-2014)
Nachruf auf Lothar Kramer (1932-2014)
Nachruf auf Heinrich Mothes (1935-2014)
Nachruf auf Gerhard Scheler (1930-2014)
Verzeichnis der Verfasser aller in den Bänden 1 bis 17
erschienen Aufsätze
Inserate der Unterstützer
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4.4 ★★★★★
Based on 478 reviews
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Product Reviews
★★★★★ 5
Sturdy and long lasting.
These balls are a favorite of my Sheltie! She loves to chase after them and catch them in the air. My dog is not a chewer so I can't say how they hold up under aggressive circumstances! They do last a long time .
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Reviewed in the United States on August 3, 2025
★★★★★ 5
Dog loves this ball
Our dog loves it!
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Best Balls Ever!!!
Size: Medium
These are the best balls ever! We have 2 very active ball loving dogs and these bounce very well and they actually hold up with active play and chewing. They still look brand new after daily use for months!
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Finally a ball my power chewers cannot destroy
Size: Medium
I have two dogs, an American Bully and an American Pit Bull Terrier, and both of them love to chew. Most balls last a very short time around here before they are shredded or missing big chunks. This one has actually held up. They chase it, tug on it and sit and chew on it, and it is still in one piece with no pieces breaking off.
One of my favorite things is being able to put food inside. I add some kibble or small snacks, and they will happily sit and work on it for a long time. It keeps them busy, gives them something safe to chew, and they get a little reward while they play. When they are done, I just rinse it out and it is ready to go again.
If you have strong jawed dogs that usually destroy toys, this ball is worth trying. Mine really enjoy it and I feel better knowing they finally have a ball that can keep up with them.
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Reviewed in the United States on November 22, 2025
★★★★★ 5
My dog LOVES this ball
Size: Medium, Size: Medium
Does your dog destroy tennis balls in seconds?
Yes? Then your dog NEEDS this ball!
It's squishy like a tennis ball, fits in ball launchers (even the cheap ones) and bounces when it hits the ground.
My dog has been literally playing with this ball all day and not a single mark on it!
The only bad thing is that it does not float.
Definitely worth the money!
Put it in your cart!
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Reviewed in the United States on March 8, 2026
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