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The Novachord is an electronic musical instrument often considered the world's first commercial polyphonic synthesizer. [1] [2] [3] Incorporating many circuit and control elements found in modern synthesizers, and using subtractive synthesis to generate tones, it was designed by John M. Hanert, Laurens Hammond and C. N. Williams, and was manufactured by the Hammond company. [4]
A drill press is a drilling machine suitable for quick and easy drilling of straight holes, countersinking or counterboring that are perpendicular to both directions of a table surface. In comparison, it is more difficult and less repeatable to drill perpendicularly with a hand-held drill.
In 1942, Walker-Turner released its first Radial Arm Drill Press, the RD-1170. [1] 900 Series Drill Press, Serial # 1 944. Through 1942-1945, during the years of the United States' involvement in World War II, much of Walker-Turner's production capacity was focused on the war effort. Catalogs and other documentation from this period may be scarce.
Even on many drill presses, handheld drills, and lathes, which have chucks (such as a drill chuck or collet chuck), the chuck is attached by a taper. On drills, drill presses, and milling machines , the male member is the tool shank or toolholder shank, and the female socket is integral with the spindle.
Atlas Press Co. was a tool company that manufactured popular brands of metalworking tools from 1920 to the mid-1970s. Many of their products received wide coverage in Popular Mechanics and Popular Science at the time.
Nippon Steel was standing firm on its proposed $15 billion acquisition of U.S. Steel, Chief Executive Eiji Hashimoto said Tuesday after President Joe Biden’s blocked the top Japanese steelmaker ...
The former president, who has pledged to “drill, baby, drill,” while in office for his second term, has called climate change a “scam.” Many of his nominees share that thinking. Many of ...
The cutting implement itself is the drill. The term drill bit is incorrect, as the word bit refers to a particular type of drill used to bore (not drill) holes through wood. Terminology aside, I edited the geared head drill press section and added a picture of the drill press in my shop. I'm hoping to add a picture of a radial arm drill press soon.