Note 169 — Chapter XXI · THE PANAMA CANAL.
Reading edition
De Ulloas was born at Seville in 1716. He distinguished himself as an engineer and man of science. In 1730 he was sent to Peru to measure a degree of meridian, and remained nearly ten years in South America. Afterwards visiting England, he contributed several papers to the Royal Society, and was appointed by Ferdinand III. to collect information as to the condition of the arts and sciences in Europe.