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file U (Stack)Gordon, J. E. H.
Directions for the Erection and Management of the Patent Electrical Anemometers
invented by J. E. H. Gordon, Caius College, Cambridge, and manufactured only by A. Apps, Optical, Mathematical & Philosophical Instrument Maker, wholesale, export and retail, 433, Strand, London, W.C. (Signed) Cambridge, May, 1873. Photocopy. 7 pages.
[Unknown]
1873