Archival photograph
Firsthand photograph of the physical artifact.
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"Elektrische Maschinen II" — antique engraving of early electrical machines
German lexicon engraving plate 'Elektrische Maschinen II' depicting early electrical machines — Nollet's Alliance machine, Siemens & Halske magneto-electric and dynamo machines, and the Gramme magneto-electric machine.
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About this source
Steel-engraved plate (Meyers Konversations-Lexikon style), figures captioned in German; photographed with detail frames.
- Original publication
- "Elektrische Maschinen II" — antique engraving of early electrical machines
- Date
- late 19th 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 · 0.2 MB
Download ↓Citation & reuse
"Elektrische Maschinen II" — antique engraving of early electrical machines. The Raven's Crypt — personal archive intake.
Archival photographs of a historical artifact, preserved for research and public reference.
Technical archive record ↓