Archival photograph
Firsthand photograph of the physical artifact.
JPEG image · 0.1 MB
Download ↓early–mid 20th century
Feralun anti-slip building products — miniature detail sheets (Sweet's Catalog)
Manufacturer detail sheets for Feralun / Bronzalun / Alumalun / Nicalun abrasive-metal anti-slip products — door saddles, floor plates, trench covers and stair-tread repair details — from a Sweet's architectural catalog.
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About this source
Mid-century architectural trade literature with dimensioned installation drawings and recommended practice tables; four detail plates photographed.
- Original publication
- Feralun anti-slip building products — miniature detail sheets (Sweet's Catalog)
- Date
- early–mid 20th century
- Reference collection
- The Raven's Crypt — personal archive intake
Photographs taken directly from the physical item; no retouching of content.
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Archival photograph 2
Firsthand photograph of the physical artifact.
JPEG image · 0.2 MB
Download ↓Archival photograph 3
Firsthand photograph of the physical artifact.
JPEG image · 0.1 MB
Download ↓Archival photograph 4
Firsthand photograph of the physical artifact.
JPEG image · 0.2 MB
Download ↓Citation & reuse
Feralun anti-slip building products — miniature detail sheets (Sweet's Catalog). The Raven's Crypt — personal archive intake.
Archival photographs of a historical artifact, preserved for research and public reference.
Technical archive record ↓