Cummins ISB and QSB Engine Parts. Based on the Cummins B Series, the ISB engine was launched in 1998 and is available in 4 and 6 inline cylinder models. Design innovations include a 24-valve setup and the Interact electronic engine management system, both contributing to increased fuel efficiency and meeting emission regulations.
From 1920 to 1929, stocks more than quadrupled in value â not because of fundamentals such as corporate production and profits, but rather fueled by rampant speculation. The economic house of cards came to a screeching halt on Black Tuesday, October 29, 1929 when the bubble burst.
The Great Depression affected all groups, ages, and races of people. The Great Depression was a result of many fails within the country including the stock market, unemployment and homes being evicted. The first thing to cause the depression to begin was the crash in the stock market (GML 788). For years before the depression began, the stock increased and people invested a good amount of money to the stock and companies. They relied on the money from stocks and made a living off the stock market (Lecture, Great Depression). In 1930, the economy was beginning to fail and people lost many jobs.