Tag Archives: British Library

Altitude

A moment of idle curiosity led to downloading a phone app for altitudes. It uses two systems: GPS and ASTER (a digital elevation model) and now, as I write, note I am sitting at either 402 or 396 feet above … Continue reading

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Making Connections: a line through history

Our Italian Marsigli has important friends; on Isaac Newton’s recommendation he had been elected a member of the Royal Society in 1691. In the 1720’s he visits London then travels on to the Netherlands where at Leiden he also met … Continue reading

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The Other Italian & the First Printed Isobath Map

Luigi Ferdinando Marsigli is a name that kept cropping up reading around cartography. I kept sidelining him as biographers seemed to place his interests mostly elsewhere. Born in 1658 to a wealthy and noble family, he studied – among other … Continue reading

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The Italians

In 1746 Domenico Vandelli produced a ‘contour’ map for building a new road from Modena to Massa that was to be as level as possible, I know he did because Wikipedia told me so. The British Library have a copy, … Continue reading

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Chasing the Line

Early last year, whilst fathoming the contours of this project, I began consulting that fount of all knowledge and (mis)information: the internet. Here were numerous inventors of the line: should I include all isolines? (no – more on them later), … Continue reading

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The Project

I am not a natural academic; joining the British Library back in 2014 as an associate reader felt like a huge first step on my journey to track the sketchy history of a line. Contour lines on maps were first … Continue reading

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