[HARMONOGRAPHS]. Harmonic Vibrations and Vibration Figures
London: Newton and Co., 1909. First Edition. 8vo. [8], 215, [5] pp. (including index and Price-list). COMPLETE with all 28 plates and requisite 27 printed tissue sheets (there are 2 tissue guards for plate V). Original publisher's green ribbed cloth, spine gold-stamped, patterned-paper pastedowns and endpapers. Some foxing here and..... More