Pavement light - Wikipedia
Vault lights | Oakland Underfoot
Riches Underfoot: The Vault Lights of Tribeca | Tribeca Trib Online
Sidewalk Vault Lights | Pavement Lights History
Diffused Down Below: Philadelphia's Lost Vault Lights
The Digital Research Library of Illinois History Journal™ : The History of 19th & 20th Century Vault Lights (prism glass used in sidewalks) used in Illinois Towns and Cities.
Pavement light - Wikipedia
What Are Those Grids of Glass in the Sidewalk — And Why Are They Purple? | KQED
Vault Lights | Applications of These Illuminating Pieces
19th century cast iron sidewalk and stoop vault lights have all but vanished in chicago | Urban Remains Chicago News and Events
Diffused Down Below: Philadelphia's Lost Vault Lights
:max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2020__01__vault_lights_from_below_seattle-55e554230acc47179a37d0c056025cfa.jpg "What Those Beautiful Glass Prisms in the Sidewalk Are Really For")
What Those Beautiful Glass Prisms in the Sidewalk Are Really For
The Lights Fantastic - Vault Lights - Sactown Magazine
Cast Iron Subway Vault Lights – Richmond Iron
Vault Lights | RegenAxe
Vault Lights | Applications of These Illuminating Pieces
Let There Be Light: The Vaulted Sidewalks of SoHo Broadway — SoHo Broadway Initiative
Sidewalk Vault Lights | Pavement Lights History
O.K. Foundry Project – Vault Light Panel Restoration in New York City - AbatronAbatron
A portion of the sidewalk in SoHo, Lower Manhattan, New York City. In the mid 1800s, light entered subterranean factories through circular vault lights in the sidewalks of SoHo and Tribeca Stock
Forgotten Galicia - Vault Lights in Edinburgh
Vault Light – Insights about Light and Glass
Sidewalk Vault Lights | Pavement Lights History
Diffused Down Below: Philadelphia's Lost Vault Lights
Pavement light - Wikipedia
