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The Hammond organ is an electric organ, invented by Laurens Hammond and John M. Hanert [1] and first manufactured in 1935. [2] Various models were produced, which originally used tonewheels to generate sound via additive synthesis , where component waveform ratios are mixed by sliding switches called drawbars and imitate the pipe organ's registers.
A Hammond C-3 organ The Hammond organ is an electric organ invented by Laurens Hammond and John M. Hanert. The instrument was first manufactured in 1935. It has two manuals along with a set of bass pedals. A variety of models have been produced. The most popular is the B-3, produced between 1954 and 1974. The instrument was designed to replace the pipe organ in churches, and early adopters ...
Hammond used a 25-note pedalboard because he found that on traditional 32-note pedalboards used in church pipe organs, the top seven notes were seldom used. The Hammond Concert models E, RT, RT-2, RT-3 and D-100 had 32-note American Guild of Organists (AGO) pedalboards going up to the G above middle C as the top note. [9]
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Hammond's postulate (or alternatively the Hammond–Leffler postulate), is a hypothesis in physical organic chemistry which describes the geometric structure of the transition state in an organic chemical reaction. [1] First proposed by George Hammond in 1955, the postulate states that: [2]
California was the state with the most immigrants in the U.S. illegally with some 2.2 million in 2022, according to estimates by the Center for Migration Studies of New York, a nonpartisan think tank.
Heat Waves" by Glass Animals (pictured) was the best-performing single of 2022; in addition, it was #16 on the 2021 Year-End List. It spent five weeks at number one on the weekly chart in 2022, and spent 91 weeks on the chart overall, becoming the longest-charting song in the Hot 100's 64-year history. [1]
Hammond's Complete Map of Ohio, 1909. Hammond Map or Hammond World Atlas Corporation is an American map company. It was formerly an operating subsidiary of the Langenscheidt Publishing Group, a major map publisher in the United States, but was sold to Universal Map, an affiliate of Kappa Publishing Group, in 2010.