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Hedy Kiesler Markey G. Antheil US Patent 2292387 Jigsaw Puzzle
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Hedy Kiesler Markey G. Antheil US Patent 2292387 Jigsaw Puzzle
Let others know of one particular woman's contributions to our modern wireless world with this "Secret Communication System" jigsaw puzzle 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 jigsaw puzzle the next time you surf the web!
Customer Reviews
4.7 out of 5 stars rating1.5K Total Reviews
1,499 Reviews
Reviews for similar products
5 out of 5 stars rating
By T.April 11, 2023 • Verified Purchase
Puzzle, 11" x 14", 252 pieces
Zazzle Reviewer Program
I created this puzzle online as a gift for my son-in-law and it turned out awesome! Creating it couldn't have been easier or more fun. The printing is clear and of good quality. I would highly recommend Zazzle.
5 out of 5 stars rating
By Dan C.August 12, 2024 • Verified Purchase
Puzzle, 8" x 10", 110 pieces
The puzzle fit together nicely. It was easy to put together. . It looks great the greens pop out on the black background. I framed it so it can be enjoyed for years to come
5 out of 5 stars rating
By Patty M.November 27, 2020 • Verified Purchase
Puzzle, 8" x 10", 110 pieces
Zazzle Reviewer Program
I bought this as a gift for my daughter who loved Santorini. It is good for a puzzle. Looks just like Santorini.
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Product ID: 116764609981208439
Created on: 10/15/2020, 7:52 PM
Rating: G
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