Baranov, S. Electrical bell and electric alarm. With 21 figures. In Russian /Baranov, S. Elektricheskiy zvonok i elektricheskaya signalizatsiya. S 21 risunkom. Library of the journal Knowledge and Power. Moscow; L. Young Guard 1928. 31, 1 p.: il., 17x13 sm. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb8f0b62f774b64615.