by Kennedy, Rankin
London, 1914-1915: Caxton Printers. Small Quartos. Vol. I (vii,  pages; Vol. II (viii,  pages. Vol. III (viii, 259 pages). While he was best known for creating the compound wound self regulating slow-speed dynamo. His patents and articles placed him in the forefront in England in dealing with alternating currents and transformers. He pointed out that Maxwell's method was too mathematical and this was confirmed in 1918 when that method was no longer in use. Besides being in beautiful external condition, each volume has the devices including the "three-phase alternate current motor", the "two phase", and finally, "the rotary converter" is placed within each volume on front pastedown. Each of these are designed in three-dimentional overlays, each with a small minor fold or tear. Bound in green pictorial cloth accented in black and gilt, pictorial spines decorated in black and gilt, spine with only a touch of fading. A very handsome set.
(Inventory #: 026646)