The past was orange – A note to its discovery

In 1824 Colonel Thomas Frederick Colby, of the Royal Engineers, was put in charge of the general direction of the arrangements of the Ordnance Survey of Ireland. Lieutenant Thomas Drummond, Lieutenant Thomas Aiskew Larcom and Lieutenant Joseph Ellison Portlock were appointed the same year to assist Colonel Colby. In 1829 Portlock became head of the [...]

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