Lecture notes by George Forbes for Natural Philosophy popular evening lectures entitled 'The Physical Forces'

Incomplete. Only notes for eight of the lectures survive.

George Forbes was born in Edinburgh in 1849, the younger son of James David Forbes (later Principal of St Andrews University) and his wife, Alicia. Forbes was educated at Edinburgh Academy, and St Andrews and Cambridge universities, and graduated BA in 1871. From 1872 to 1880 he was Professor of Natural Philosophy at Anderson's University, where he collaborated with James Young on research into the velocity of light. He took a keen interest in astronomy, and led the British expedition to Hawaii in 1874 to observe the transit of Venus, returning to Scotland via Beijing and St Petersburg. Through contacts made during this journey, Forbes returned as a war correspondent with the Russian Army during the Russo-Turkish War of 1877-1878, reporting for 'The Times'. In the 1880s and 1890s, Forbes worked extensively on electrical power engineering and advocated the use of carbon brushes in electric motors rather than the wire or gauze which were then employed. From 1891 to 1895 Forbes was Consulting Engineer on the Niagara Falls hydroelectric scheme and advised on other schemes in India, South Africa, New Zealand and Upper Egypt. In the early 20th century Forbes became interested in military engineering and developed rangefinders and methods of signalling for submarines. He also returned to his early love of astronomy and delivered the David Elder Lectures on Astronomy at the Royal Technical College, Glasgow, the successor to Anderson's University. Forbes published extensively, received many honours and was a member of many distinguished learned societies worldwide. He was elected Fellow of the Royal Society in 1887. In later life he lived modestly in his 'Shed' at Pitlochry, overlooking the hydroelectric dam at Loch Faskally.

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George Forbes was born in Edinburgh in 1849, the younger son of James David Forbes (later Principal of St Andrews University) and his wife, Alicia. Forbes was educated at Edinburgh Academy, and St Andrews and Cambridge universities, and graduated BA in 1871. From 1872 to 1880 he was Professor of Natural Philosophy at Anderson's University, where he collaborated with James Young on research into the velocity of light. He took a keen interest in astronomy, and led the British expedition to Hawaii in 1874 to observe the transit of Venus, returning to Scotland via Beijing and St Petersburg. Through contacts made during this journey, Forbes returned as a war correspondent with the Russian Army during the Russo-Turkish War of 1877-1878, reporting for 'The Times'. In the 1880s and 1890s, Forbes worked extensively on electrical power engineering and advocated the use of carbon brushes in electric motors rather than the wire or gauze which were then employed. From 1891 to 1895 Forbes was Consulting Engineer on the Niagara Falls hydroelectric scheme and advised on other schemes in India, South Africa, New Zealand and Upper Egypt. In the early 20th century Forbes became interested in military engineering and developed rangefinders and methods of signalling for submarines. He also returned to his early love of astronomy and delivered the David Elder Lectures on Astronomy at the Royal Technical College, Glasgow, the successor to Anderson's University. Forbes published extensively, received many honours and was a member of many distinguished learned societies worldwide. He was elected Fellow of the Royal Society in 1887. In later life he lived modestly in his 'Shed' at Pitlochry, overlooking the hydroelectric dam at Loch Faskally.

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