Sunday, 5 July 2015

Astronomy Scrapbook July 5th 2015 York and The Forth Bridge

York and the Forth Bridge

Scientific instruments made in York played a major role in the building of the Forth Bridge. Now that the bridge has been declared a World Heritage Site, it is worth remembering that the surveyors who worked out exactly where the bridge was to be built were using theodolites made in York by Thomas Cooke and Sons.

courtesy Borthwick Institute, York

The contractors who were building the bridge wanted only the best, and Cooke theodolites were the finest in the world at that time. Mr Reginald Middleton, the engineer who determined the exact location of the bridge, described the theodolites as being ‘excellent’ and ‘practically indestructible’.

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