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Ratchet brake mechanism of Pamban bridge
Ravi Sunderarajan
Rail Enthusiasts' Society
New Delhi, India
To avoid the lifting up of span due to unstable equilibrium, the span is always kept in closed condition and ratchet mechanism (brakes) arrests upward lift of the span.
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- Title: Ratchet brake mechanism of Pamban bridge
- Creator: Ravi Sunderarajan
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