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
HARMONOGRAPHS]. Harmonic Vibrations and Vibration Figures by Goold
Harmonic Excitation - an overview
Harmonic Vibrations
HARMONOGRAPHS]. Harmonic Vibrations and Vibration Figures by Goold
London: Newton and Co, 1909. First Edition. Very good. 8vo. [8], 215, [5] pp. (including index and Price-list). COMPLETE with all 28 plates and
[HARMONOGRAPHS]. Harmonic Vibrations and Vibration Figures
Designing and Building the Iron Genie Harmonograph - ppt video
Ingenious Machines Part 2: Harmonic Vibrations and Messrs. Newton
Harmonograph - Experimental Stage Project
WorldTree Software - Intro to Harmonographs
Sympathetic Vibratory Physics
HARMONOGRAPHS]. Harmonic Vibrations and Vibration Figures by Goold
Simple harmonic motion hi-res stock photography and images - Alamy