Accountant supermarket manager <a href=" http://codeless.com/zoloft-euphoria.pptx#declined ">sertraline hcl generic zoloft</a> Dissatisfied with the sound quality emitted by music speakers in the 1950s, Bose started a research program in physical acoustics and psychoacoustics. His work led to the development of patents in acoustics, electronics, nonlinear systems and communication theory.