Research Papers
| The location of the ground focus line produced by a supersonic aircraft | |
| Rufin Makarewicz | 167-176 |
| Measurement of the viscoelastic constants of the cellulose used for a loudspeaker membrane and their effect upon the electro-acoustic parameters of the loudspeaker | |
| Andrzej Dobrucki, Czesław Adam Roszkowski | 177-188 |
| On the evaluation of the pressure coefficient of the surface tension of liquids by measurements of the velocity of ultrasonic waves | |
| Eugeniusz Soczkiewicz | 189-196 |
| Transversal bleustein-gulayev (B.G.) surface waves on a piezoelectric ceramic | |
| Wincenty Pajewski | 197-206 |
| Investigations of the hydration of polyethyleneglycols using an acoustic method | |
| Adam Juszkiewicz, Jadwiga Potaczek | 207-212 |
| An acoustic method for the determination of dispersivecomposition of organic suspensions | |
| Stanisław Szyma | 213-224 |
| Attempts at the ultrasonic visualization of the heart in real time | |
| Leszek Filipczyński, Jan Sałkowski | 225-230 |
Chronicle
| Vi winter school of molecular, quantum acoustics and hydroacoustics and ultrasounds | |
| M. M. Dobrzański | 231-232 |