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1930s New York City - Triborough Bridge, (cables), Manhattan ca. 1937
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1930s New York City - Triborough Bridge, (cables),...

1930s New York City - Triborough Bridge, steel girders, Manhattan
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1930s New York City - Triborough Bridge, steel gir...

Failure here may mean death below Safety first circa 1936-1937.
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Failure here may mean death below Safety first cir...

On the Job for Victory
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On the Job for Victory

Bridge Flooded with Ship's Traffic 1913
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Bridge Flooded with Ship's Traffic 1913

Cameraman in suit holds onto cable as he walks unharnessed over a skyscraper's steel girders
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Cameraman in suit holds onto cable as he walks unh...

Girding Your Loins 1925
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Girding Your Loins 1925

Cameraman in suit holds onto cable as he walks unharnessed over a skyscraper's steel girders
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Cameraman in suit holds onto cable as he walks unh...

Baseball Player Becomes a Cameraman 1911
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Baseball Player Becomes a Cameraman 1911

Launching girder, Kilinidini-Mombasa road bridge
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Launching girder, Kilinidini-Mombasa road bridge

Railway bridge across the Dabadie Ravine
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Railway bridge across the Dabadie Ravine

HIgh Steel Worker In NY
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HIgh Steel Worker In NY

High Steel Workers In NY
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High Steel Workers In NY