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Hedy Kiesler Markey G. Antheil US Patent 2292387 Large Clock
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27.3 cm Round Acrylic
-$9.50
-$18.80
-$18.80
-$18.80
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California Residents: Prop 65 Disclaimer
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.About This Design
Hedy Kiesler Markey G. Antheil US Patent 2292387 Large Clock
Let others know of one particular woman's contributions to our modern wireless world with this "Secret Communication System" clock featuring U.S. Patent 2,292,387 as filed by Hedy Kiesler Markey and composer George Antheil. Markey's and Antheil's frequency-hopping system was designed to jam radio-controlled torpedoes by continually changing the radio signals sent to them. This system, similar to how piano rolls work, shares some concepts with modern spread-spectrum communication technology as used in today's wireless telephones (GPS, Wi-Fi, and Bluetooth). Let your technological pioneering spirit shine with this clock!
Customer Reviews
4.7 out of 5 stars rating3.6K Total Reviews
3,552 Reviews
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5 out of 5 stars rating
By Cassie B.21 December 2018 • Verified Purchase
Wall Clock, 27.3 cm Round Acrylic
Zazzle Reviewer Program
Our first wedding anniversary is coming up and we heard the modern 1st wedding anniversary gift is clocks. So we decided to get a personalised clock made up to commemorate the occasion. And we're very impressed with the product that we received :-). Looks the exact same way it did online
5 out of 5 stars rating
By W.12 March 2021 • Verified Purchase
Wall Clock, 27.3 cm Round Acrylic
Zazzle Reviewer Program
I’ve bought a few faux canvas products and I love them all! I bought the baseball clock for my husband who is in permanent aged care. It looks great in his room. The printing look just like the it did in the pic - GREAT!
5 out of 5 stars rating
By J.7 July 2019 • Verified Purchase
Wall Clock, 27.3 cm Round Acrylic
Zazzle Reviewer Program
I was extremely impressed with the quality of the clock, made of thick durable acrylic. It was packaged securely for overseas shipping and arrived in 7 business days which was fantastic. The design and printing turned out perfectly and as described and we couldn't be happier and would highly recommend Zazzle and its products to everyone.
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Product ID: 256755051147271769
Added on 23/10/23, 12:50 am
Rating: G
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