The Jet-Wave Rectifier. An Account of its Constructional Development during the Years 1919-1929 [bound with one other item]

Cloth Binder's cloth, minor rubbing, VG. Textual graphs & diagrams 26x17cm, 300; (127) pp, Bound together with: Jul. Hartmann "The Plate-Jet" [Kobenhavn,1935,108pp + 19pp photoplates] Contents: ["Jet-Wave Rectifier.", (Kobenhavn, 1931,300pp)]: General Principles; The Jet; The Jet-Wave; The Hydrodynamic Current; The Magnet; The Auxiliary Electrode; The Main Electrode; The Complete Rectifier; The Rectifier Plant; Appendices: History of the Development of the Jet-Wave Rectifier; Notes on the Financial History of the Jet-Wave Rectifier; The Patents; Literature on the Jet-WaveRectifier & its Members; ["The Plate- Jet"]: Discovery & Explanation of the Plate-Jet; Theory of the Electromagnetic Vibrator as a Means for Superimposing an Alternating Velocity on a Jet; Theory of the Plate-Jet; Experimental Arrangements for the Testing of the Plate-Jet Theory; Experimental Results & their Comparison with the Theory; High-Frequency Deformations; Appendices. Series: Ingeniorvidenskabelige Skrifter, A, Nr. 24 & Nr. 41. Binder's cloth, minor rubbing, VG.