SKU: 45892012873

Jenaer Jahrbuch zur Technik- und Industriegeschichte 2010, Band 13

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Jenaer Jahrbuch zur Technik- und Industriegeschichte 2010, Band 13Der 13. Band des gut eingefhrten Jahrbuchs fr Technikgeschichte bringt wieder viel aus der Zeit der glorreichen Jenaer Industrie vergangener Jahre: Die Geschichte der Polarisationsmikroskope, Otto Eppensteins revolutionre Erfindung eines Messgertes fr groe Lngen, sowie einen Bericht ber die Geschichte der Entdeckung zahlreicher Planetoiden mit dem weltgrten Schmidt Teleskop in Tautenburg bei Jena. Weitere Aufstze betreffen den Nachweis schwchster

Der 13. Band des gut eingeführten Jahrbuchs für Technikgeschichte bringt wieder viel aus der Zeit der glorreichen Jenaer Industrie vergangener Jahre: Die Geschichte der Polarisationsmikroskope, Otto Eppensteins revolutionäre Erfindung eines Messgerätes für große Längen, sowie einen Bericht über die Geschichte der Entdeckung zahlreicher Planetoiden mit dem weltgrößten Schmidt-Teleskop in Tautenburg bei Jena. Weitere Aufsätze betreffen den Nachweis schwächster Lichtquellen in der Astronomie, Konstruktionsprobleme besonderer Schwierigkeit, die Geschichte der Glocken in Jena, Apolda und Umgebung, die Versuche in Brandenburg optisches Glas zu erschmelzen und neue Erkenntnisse über die Geschichte der Zeissschen Kleinplanetarien. Ferner gibt es einen Aufsatz über Entwicklungen zur ophthalmologischen Technik in der Schweiz und einen spannenden Bericht über Versuche zur Aufklärung der gewaltigen Festigkeit von Spinnenfäden in einem Jenaer Akademieinstitut
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SKU: 45892012873

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RUBEN ARELLANO
Natrona Heights, US
★★★★★ 5
Indestructible bully toy
Color: Blue
We have a bully that chews through everything, believe it when I say, he loves this n it is still in one piece. Where I put treats in it or not. He’s also able to play tug of war with is brother with this toy. I will be buying additional ones!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
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Verified Purchase
Lucie P
Alexandria, US
★★★★★ 4
Durable, Dogs love it
Color: Red
My Frenchie is a crazy chewer and can chew up a nylabone in a day, so I was looking for something that would last longer. So far this is holding up, and is pretty durable. Both my dogs like it a lot, it’s easy for them to grasp, and chewable but still very tough material. I suspect at some point it’ll wear down, but not for a while. The size was just as described / expected. Not too small and not too big
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Reviewed in the United States on May 23, 2025
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Verified Purchase
Amazon Purchase
San Leandro, US
★★★★★ 5
Great for aggressive chewers!
Color: Blue
Our aggressive chewers love these! Very durable.
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Reviewed in the United States on June 8, 2026
O
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Ozark Matt-Man
Natrona Heights, US
★★★★★ 3
NOT FOR PLAYING CATCH.
Color: Blue
This toy is quite heavy, making it good for a chew toy or for fetch, but not for catch. It could very easily injure your dog as it damned near did mine.
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Reviewed in the United States on May 19, 2026
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Verified Purchase
e callie
Dallas, US
★★★★★ 5
Peanut butter delivery system
Color: Blue
My big dog loves this bone. I run PB down the middle on one side when we go out. He loves it and brings the bone to us when we return to play :gimme that bone.”
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Reviewed in the United States on June 3, 2026

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