alb3598437
A combined Semaphore and Light Railway Signal.
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Title:
A combined Semaphore and Light Railway Signal.
Caption:
Illustration depicting a combined Semaphore and Light Railway Signal. When the arm is horizontal the red light shows and 'Danger' is signalled. When the arm is hanging at 45 degrees the green light shows and 'Proceed' is signalled. The right hand view shows the signal at rest. Dated 19th century.
Credit:
Album / Universal Images Group / Universal History Archive
Releases:
Model: No - Property: No
Rights questions?
Rights questions?
Image size:
5737 x 3655 px | 60.0 MB
Print size:
48.6 x 30.9 cm | 19.1 x 12.2 in (300 dpi)
Keywords:
19 CENTURY • 19TH CENTURY • 19TH • 19TH-CENTURY • ARM • DISC • DISCUS • DISK • GREEN • ILLUSTRATION • ILLUSTRATIONS • INDICATOR • LIGHT RAILWAY SIGNAL • LIGHT SIGNAL • LIGHT • NINETEENTH CENTURY • QUADRANT • RAILROAD TRACK • RAILROAD • RAILWAY • RED (COLOUR) • RED • SAFE • SAFETY POSITION • SAFETY • SEMAPHORE SIGNAL • SIGNAL • TRACK • TRAIN TRACK • TRAIN TRACKS • XIX CENTURY
