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The foil details are simulated in the artwork. No actual foil will be used in the making of this product.Browse real foil products
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Original Price $1.82 Comp. value
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Leyden Jar Guilty as Charged Postcard

Qty:
Signature Matte
18 pt thickness / 120 lb weight Soft white, soft eggshell texture
-$0.17

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Size: Standard Postcard

Create your own vacation-worthy postcard! Any view you’ve seen, any monument you’ve fallen in love with, can all be added to your postcard with our personalization tool.

  • Dimensions: 5.6" L x 4.25" H; qualified USPS postcard size
  • High quality, full-color, full-bleed printing on both sides

Paper Type: Signature Matte

Our Signature Matte paper is a customer favorite—smooth to the touch with a soft eggshell texture that elevates any design. Its sturdy 18 pt weight and natural feel make it the ideal choice for timeless, sophisticated events.

  • Exclusively made for Zazzle
  • Made and Printed in the USA
  • FSC® Certified—sourced from responsibly managed forests that protect both people and planet

About This Design

The foil details are simulated in the artwork. No actual foil will be used in the making of this product.Browse real foil products
Leyden Jar Guilty as Charged Postcard

Leyden Jar Guilty as Charged Postcard

The Leyden Jar is an early type of electric capacitor capable of storing an electrical charge of high voltage. It consists of a glass jar with metal foil lining the inside and outside. An electrode connecting the inner foil exits the jar thorough a non-conducting stopper. You charge the Leyden Jar using an electrostatic generator, such as a Van de Graaff generator, or go fly a kite in a thunderstorm like Benjamin Franklin. On second thought, don’t do that. It’s dangerous. Better to shuffle your shoes across the carpet in winter to generate a static charge and then transfer it to the Leyden Jar to prank your friends. If someone touches it and gets a mild shock, then truly the jar is guilty as “charged”. Just a bit of tech humor for electronics and technology enthusiasts who like a play on words. Also makes great gift for a science teacher or physics student.

Customer Reviews

4.9 out of 5 stars rating15.6K Total Reviews
14242 total 5-star reviews998 total 4-star reviews197 total 3-star reviews67 total 2-star reviews111 total 1-star reviews
15,615 Reviews
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5 out of 5 stars rating
By Ray A.September 30, 2025Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Very pleased with my order. All my prints were manufactured to a very high standard to my exact specifications and edited additions.
5 out of 5 stars rating
By Paul I.February 4, 2021Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Creator Review
I had never seen these classic science fiction images and most of my friends have not seen them either. They are like little treasures! Amazing quality and fun to send people!
5 out of 5 stars rating
By Jennifer W.November 28, 2022Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
I joined Postcrossing a few months ago and wanted postcards to represent my state well. I found them on Zazzle. I purchased numerous cards and was impressed with all of them. Excellent! The colors are beautiful. The cards have the exact look I wanted. I couldn't be happier.

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leyden jarcapacitorelectronicsvintageantiquevoltagechargesciencetechhumor
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Other Info

Product ID: 239225227747668188
Created on: 1/14/2020, 12:35 PM
Rating: G