the boondocks: Scientia => Scientists reveal why glass is glass
Crown glass (window) - Wikipedia
Does glass flow downwards? - OpenLearn - Open University
The Replacements – Swapping out windows in 2 hours or less « Home Improvement Stack Exchange Blog
Glass melting from the window frame of a fire damaged building. (X-post from r/urbanexploration) : r/pics
Does Glass "flow"?
How to Replace Window Glass
Myth 1: Is glass liquid? | Sciencegeekgirl
Window Designs & Curb Appeal - OldHouseGuy Blog
Glass viscosity calculations definitively debunk the myth of observable flow in medieval windows - The American Ceramic Society
Are Old Windows Thicker at the Base Because Glass Flows Like Syrup ? - guernseydonkey.com
Glass: What a pane — Historical Windows of New York
WHAT YOU DON'T KNOW ABOUT VINTAGE GLASS – Digging in the Driftless
Does Glass "flow"?
Why is glass in old buildings thicker at the bottom and thinner at the top? Is it that glass is a viscous liquid? - Quora
Glazing — Historic Window Restoration NYC | Custom Fabricated Wood Storefront Facades
Do Old Glass Windows Sag? | Live Science
Does Glass "flow"?
All About Historic Windows
FACT or FICTION: Fact or Fiction?
Glass Liquid or Solid? Does Glass Flow?
All About Glass | Corning Museum of Glass
