Keywords: Michelson harmonic analyzers 1960.png en This photo show Michelson ™s 80-element analyzer on display ca 1950-1960 1950 1960 https //www youtube com/watch v NAsM30MAHLg 1/4 Intro/History Introducing a 100-year-old mechanical computer Photo courtesy of the Nimitz Library United States Naval Academy <ref> Cite web http //www engineerguy com/fourier/pdfs/albert-michelsons-harmonic-analyzer pdf Albert Michelson's Harmonic Analyzer A Visual Tour of a Nineteenth Century Machine that Performs Fourier Analysis pdf page 72</ref> other versions References References PD-USGov Uploaded with UploadWizard Michelson harmonic analyzers |