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DandV

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On this day in 2002

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Anderton Lift

opening weekend.

 

T&M hereabouts

was closed by

a leaky embankment.

 

Boats moored

two days before

the completion

of the clay bund.

 

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Edited by PeterScott
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This afternoon 2021

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LOCKGATE SUNDIAL 2008

The Stalybridge Lockgate was commissioned to commemorate the re-opening of the Huddersfield Narrow Canal through Stalybridge in 2001. The piece is by the Cumbrian artist Alan Dawson, and is a modern depiction of a set of canal gates; but with an added twist. The long mainbeam of the lockgate acts as a gnomon (a Greek word variously meaning "indicator", "one who knows" or even "carpenter's square"), resulting in the sculpture also functioning as a huge working sundial, The gnomon has to be parallel with the axis of the earth - no meon feat for a piece of sculpture this large - which means that the angle between the lockgate mainbeam (the larger Northfacing one) and the ground is equal to the latitude of the site on which the sculpture is installed. This is approximately fifty three and a half degrees. The stone numerals of the sundial represent the heel-stones which are set into the canal bank and are used by barge men to push against when opening the lockgates.

 

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Stalybridge HNC Compare 13Oct2008 12Jul2014

Edited by PeterScott
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  • Greenie 1
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10 hours ago, PeterScott said:

This afternoon 2021

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LOCKGATE SUNDIAL 2008

The Stalybridge Lockgate was commissioned to commemorate the re-opening of the Huddersfield Narrow Canal through Stalybridge in 2001. The piece is by the Cumbrian artist Alan Dawson, and is a modern depiction of a set of canal gates; but with an added twist. The long mainbeam of the lockgate acts as a gnomon (a Greek word variously meaning "indicator", "one who knows" or even "carpenter's square"), resulting in the sculpture also functioning as a huge working sundial, The gnomon has to be parallel with the axis of the earth - no meon feat for a piece of sculpture this large - which means that the angle between the lockgate mainbeam (the larger Northfacing one) and the ground is equal to the latitude of the site on which the sculpture is installed. This is approximately fifty three and a half degrees. The stone numerals of the sundial represent the heel-stones which are set into the canal bank and are used by barge men to push against when opening the lockgates.

 

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Stalybridge HNC Compare 13Oct2008 12Jul2014

A lock beam as a gnomon; well that's a first!

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