Wongm's Rail Gallery » Melbourne signals and signalling equipment

The toothed wheel and pawl mechanism that holds boom gates up

In album: Melbourne signals and signalling equipment

The toothed wheel and pawl mechanism that holds boom gates up

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Taken with a Canon EOS 350D DIGITAL
Date: Saturday 2 December 2006 12:18 PM
Exposure Time: 1/100 sec
Aperture Value: f/5.6
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