The watermark in the lower right corner of the image will not appear on the final print.
Frame
Top Mat
Bottom Mat
Dimensions
Image:
8.00" x 6.50"
Overall:
10.00" x 8.50"
Heros Door-opening Apparatus Poster
by Photo Researchers
Product Details
Heros Door-opening Apparatus poster by Photo Researchers. Our posters are produced on acid-free papers using archival inks to guarantee that they last a lifetime without fading or loss of color. All posters include a 1" white border around the image to allow for future framing and matting, if desired.
Design Details
Colorized engraving shows the details of a steam-driven mechanical apparatus for opening doors. Hero (or Heron) of Alexandria (10-70 AD) was an... more
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3 - 4 business days
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Artist's Description
Colorized engraving shows the details of a steam-driven mechanical apparatus for opening doors. Hero (or Heron) of Alexandria (10-70 AD) was an ancient Greek mathematician and engineer from Alexandria, Roman Egypt. His work is representative of the Hellenistic scientific tradition and he is often called, the greatest experimenter of antiquity. Hero published a description of a steam-powered device called an aeolipile (rocket style jet engine which spins when heated). Among his most famous inventions was a windwheel, constituting the earliest instance of wind harnessing on land. He is said to have been a follower of the Atomists. Atomism is a natural philosophy. They theorized that the natural world consists of two fundamental parts indivisible atoms and empty void. Much of Hero's original writings and designs have been lost, but some of his works were preserved in Arab manuscripts.
$53.00
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