DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
9B17.00 | Sources of Sound | | |
9B17.10 | point source of sound | S-67 | A mechanical apparatus coupled to a resonator to produce a point source of sound. |
9B17.20 | noise generators | 19-4.16 | Sources of noise and their use in some demonstrations. |
9B17.25 | cutaway speaker | Disc 10-12 | Cut a portion of the speaker away and view the diaphragm from the side. |
9B17.30 | photoacoustic generator | AJP 50(7),669 | Chop an intense light beam illuminating a sealed blackened funnel. |
9B17.30 | acoustical radiator | O-7k | Four speakers at one end of a glass lined box make a 5-10 KHz acoustical radiator. Reference: AJP 17(12),581. |
9B17.40 | edge tone generator | AJP 42(9).780 | Produce tones by blowing air by a wedge. |
9B17.90 | high pitched whistle | S-58 | Directions for making a high pitched whistle. Diagram. |
9B17.91 | directional sound source | S-60 | Directions for constructing a directional sound source using a high pitched whistle. Diagram. |