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Hedy Kiesler Markey G. Antheil US Patent 2292387 Large Clock
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10.75" Round Acrylic
-$4.55
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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 rating3.3K Total Reviews
3,329 Reviews
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5 out of 5 stars rating
By Joanna C.November 4, 2020 • Verified Purchase
Wall Clock, 10.75" Square Acrylic
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It arrived on time and in good condition and it works. Zazzle has been great to work with. I have no complaints at all. I loved that the product turned out as expected!
5 out of 5 stars rating
By Virginia W.July 23, 2020 • Verified Purchase
Wall Clock, 10.75" Round Acrylic
Zazzle Reviewer Program
Great price for a very nice product. Arrived a day early - unheard of these days. The outside gold area has a little more orange tone to it than shown in the picture. Great packing so product can't get damaged. I used the same packing to forward the clock to my brother and sister-on-law for the 50th wedding anniversary. Printing was just as expected - lovely!
4 out of 5 stars rating
By Teofla R.January 3, 2023 • Verified Purchase
Wall Clock, 8" Round Acrylic
Zazzle Reviewer Program
My 93- yr. old Dad has everything.....and now including a clock with pictures of him in action!
Was initially a bit difficult to size & position the pictures in each space, but the end product was worth the effort. He enjoyed it and it was definitely a unique way of memorializing good times in his life. Quality of print was good.
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Product ID: 256755051147271769
Created on: 10/23/2023, 12:50 AM
Rating: G
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