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Ernst Mach Postcard

4.9 out of 5 stars rating
15632 Total Reviews |
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Paper Type
Signature Matte
18 pt thickness / 120 lb weight Soft white, soft eggshell texture
-$0.30
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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 personalisation tool.

  • Dimensions: 14.22 cm L x 10.79 cm H; qualified USPS postcard size
  • High quality, full-colour, 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

Ernst Mach Postcard

Ernst Mach Postcard

Ernst Waldfried Josef Wenzel Mach ( 18 February 1838 – 19 February 1916) was an Austrian physicist and philosopher, who contributed to the physics of shock waves. The ratio of one's speed to that of sound is named the Mach number in his honour. As a philosopher of science, he was a major influence on logical positivism and American pragmatism. Through his criticism of Newton's theories of space and time, he foreshadowed Einstein's theory of relativity. His signature is added on lower left corner, at an angle.
Brigadooner
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Texas, United States
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Customer Reviews

4.9 out of 5 stars rating15.6K Total Reviews
14256 total 5-star reviews1001 total 4-star reviews197 total 3-star reviews67 total 2-star reviews111 total 1-star reviews
15,632 Reviews
Reviews for similar products
5 out of 5 stars rating
By Heather D.20 September 2021 • Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
It was exactly like the pic on Zazzle. Size was good to write on the back. Image was great. Lovely colours and clear
5 out of 5 stars rating
By Dash K.23 January 2024 • Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
I was pleased with the excellent quality of the calendar and the high quality of the card stock used. I will definitely order these postcards again. The printing was excellent. I was so pleased!
5 out of 5 stars rating
By Lisa B.26 August 2019 • Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
Such a huge range of different frogs available, which made my choices very difficult and now the reason I have a whole draw full of cards and postcards! Much better quality than you can buy in the shops and they are exactly on the subject I love and adore too.

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ernst machphysicisteinsteinisaac newtonrelativityphysics teacherboltzmannpauliscientistscience

Other Info

Product ID: 256714142007850890
Posted on 18/03/2023, 3:20 PM
Rating: G