Gridiron

pier

 2013.03cromptonfamily

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At a curve in the riverbank is the Gridiron which was built as a roll-on dock for 100 ton guns to be loaded onto special 'Gog or Magog' barges After manufacture in the Arsenal the gun would be put on a railway wagon, taken to the dock, and rolled (wagon and all) directly onto one of the barges for transport to Shoeburyness or wherever. Although this dock is now overgrown it is in reasonable condition and it is hoped to restore it.
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see ...
http://greenwichindustrialhistory.blogspot.co.uk/2010/12/from-woolwich-to-tripcock-point.html



updated ...
2013.03.02