WHAT YOU DON'T KNOW ABOUT VINTAGE GLASS – Digging in the Driftless
The glass phase: a physics mystery
Does Glass "flow"?
Do Old Glass Windows Sag? | Live Science
The nature of glass remains anything but clear — Being-Here
A Common Misconception | Behind the Glass
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
Pioneer Courthouse | The View From the Cupola
Glass viscosity calculations definitively debunk the myth of observable flow in medieval windows - The American Ceramic Society
All About Historic Windows and 10 Easy Steps to Restore Them
Fact or Fiction?: Glass Is a (Supercooled) Liquid - Scientific American
Revisited Myth #18: Panes of window glass in old buildings are visibly thicker at the bottom, proving that glass is a viscous liquid that has “flowed” over time. | History Myths Debunked
Why is glass in old buildings thicker at the bottom and thinner at the top? Is it that glass is a viscous liquid? - Quora
Leaking Windows: Causes, Effects, and Solutions
Myth 1: Is glass liquid? | Sciencegeekgirl
Are Old Windows Thicker at the Base Because Glass Flows Like Syrup ? - guernseydonkey.com
Glass melting from the window frame of a fire damaged building. (X-post from r/urbanexploration) : r/pics
FACT or FICTION: Fact or Fiction?
Are Old Windows Thicker at the Base Because Glass Flows Like Syrup ? - guernseydonkey.com
Revisited Myth #18: Panes of window glass in old buildings are visibly thicker at the bottom, proving that glass is a viscous liquid that has “flowed” over time. | History Myths Debunked
All About Glass | Corning Museum of Glass
Glass is Not a Slow Flowing Liquid - KnowledgeNuts
