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Double-paned glass windows have a hollow space between two panes of glass, usually just filled with air. This can make a much better insulator than normal glass, according to Engineering Toolbox.

I would like to know when and where the first double-paned glass was made, and by whom? How was it constructed?

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  • $\begingroup$ Any material constructed of two nonporous substances with a sealed vacuum or gas between them will insulate better than a single layer of the substance. For that matter, a thick pane of class will insulate better than a thin one. Be very cautious about your blanket statement. In fact, certain spacings between double-pane construction will enhance heat loss due to internal vortices. $\endgroup$ – Carl Witthoft Oct 25 '17 at 12:20
  • $\begingroup$ @CarlWitthoft Which statement are you referring to as a blanket statement? $\endgroup$ – DrZ214 Oct 25 '17 at 12:55
  • $\begingroup$ The part about double-pane [automatically] being better than single-pane. $\endgroup$ – Carl Witthoft Oct 25 '17 at 13:27
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    $\begingroup$ @CarlWitthoft Edited wording from "This makes" to "This can make". $\endgroup$ – DrZ214 Oct 26 '17 at 1:17
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lmgtfy
google cache of mimivanderhave.com

1945 The first double-pane, insulated window was introduced

That's without attribution; door and window claims

From single to double pane windows… The true evolution of double pane windows originated in 1913 when the Andersen Lumber Co. became the first to manufacture wood window frames. In 1932 they added the sash and hardware, and two years later, even the glazing. Making the entire factory-squared, tight-fitting assembly was the first step in laying the groundwork for what would become today's double pane windows for the home. In 1952, they introduced a Welded Insulated Glass window, and the double pane window was born.

An interesting note over at ecobuildingpulse says:

Robert Struble, communications manager at PPG Industries (formerly Pittsburgh Plate Glass), says that the concept of double glazing originated in the 1860s. An inventor filed a claim with the U.S. Patent and Trademark Office for an insulating glass product consisting of two glass panes separated by rope and bound with tar. “Of course, nothing happened with [that product],” Struble says. “Nobody used it, and it was not necessarily commercially viable.

1940s and '50s: Double and Triple Glazing

The east- and west facings of the United Nations' headquarters in New York, completed in 1953, are clad in insulated glazing. Muhammad Ghouri/Flickr The east- and west facings of the United Nations' headquarters in New York, completed in 1953, are clad in insulated glazing. In 1945, PPG developed one of the first commercially viable double-glazed IGUs in the U.S. Though they were originally used for Pullman railroad cars, the units found their way into buildings the following year, reducing U-factors from the 1-plus values of single-glazed units to 0.47.

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