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"Self-education is, I firmly believe, the only kind of education there is."
- Isaac Asimov

Transparent Dome Helmet  
  A spacesuit helmet that can be seen through.  

After I had gotten into the suit, the Professor placed over my head a sort of transparent dome which he explained was made of strong unbreakable bakelite. The globe itself really was made of several globes, one within the other. The globes only touched at the lower rim. The interstices where the globes did not touch formed a vacuum, the air having been drawn from the spaces. Consequently heat could not escape from the transparent head piece nor could the cold come in. From the back of this head gear, a flexible tube led into the interior; this tube being connected to a small compressed oxygen tank, which the Professor strapped to my back.
Technovelgy from The Man from the Atom, by G. Peyton Wertenbaker.
Published by Amazing Stories in 1926
Additional resources -

Good old Bakelite! The first plastic made from synthetic components in 1907.

Cleverly, the helmet is a kind of Dewar flask to keep your head nice and warm.

Compare to space helmet from The Disc-Men of Jupiter (1931) by Manly Wade Wellman, the space-helmet from The Sargasso of Space (1931) by Edmond Hamilton and globular glass helmet from Murder on the Asteroid (1933) by Eando Binder.

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Additional resources:
  More Ideas and Technology from The Man from the Atom
  More Ideas and Technology by G. Peyton Wertenbaker
  Tech news articles related to The Man from the Atom
  Tech news articles related to works by G. Peyton Wertenbaker

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