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Ec91-734 Noise ... Sound Without Value (Tractor Sound Levels, 1970-1990), Rollin D. Schnieder
Ec91-734 Noise ... Sound Without Value (Tractor Sound Levels, 1970-1990), Rollin D. Schnieder
University of Nebraska-Lincoln Extension: Historical Materials
Oh, for the peace and quiet of the country. Surely you have heard this statement. How true this was in years gone by. Now, however, the country environment is often filled with the noise of thumping cylinders, and turning gears in modern tractors — noises previously associated with cities have moved into rural areas.
What do the words sound and noise mean? Some people refer to sound as something pleasant. For example, a number of tones placed together might result in a beautiful symphony. However, if these notes are played too loudly or off key, they might be referred to …