James R. Barr

He was an apprentice to Bruce Peebles & Co. Ltd. and spent a year at the Leith Power Station.

[2] In October 1905 he was appointed assistant lecturer in Electrical Engineering at Heriot Watt College.

Despite his death by tuberculosis at the age of 26, his 1908 textbook Principles of Direct-Current Electrical Engineering[3] was revised[4] and reprinted until the 1950s.

The companion volume The Design of Alternating Current Machinery[5] was written but not yet revised for publication at the time of his death.

Robert Archibald from Dundee Technical College revised and corrected the proofs for its publication in 1913.