Short description: In Russian. Khvingia, Mikhail Vladimirovich. Electromagnetic vibrators with adjustable own frequency. Tbilisi: Metsniereba, 1971. Elektromagnitnye vibratory s reguliruemoy sobstvennoy chastotoy. In Russian /Electromagnetic vibrators with adjustable own frequency. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU7054673