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The "10" is the ball diameter in millimeters. The "3000" is the force in kilograms force. The hardness may also be shown as XXX HB YYD 2. The XXX is the force to apply (in kgf) on a material of type YY (5 for aluminum alloys, 10 for copper alloys, 30 for steels). Thus a typical steel hardness could be written: 250 HB 30D 2. It could be a ...
Pennsylvania Railroad class J1. Water cap. 124 scrapped, 6435 rumored to still extant but not confirmed. The PRR J1 was a class of 2-10-4 "Texas" type steam locomotives built between 1942 and 1944. The J1 had over 95,000 pounds-force (422.6 kN) of tractive effort, plus an additional 15,000 lbf (66.7 kN) if the booster engine was used.
Many large trading firms also had field agents, whose job it was to go to more remote towns and rural areas, buying up enslaved people for resale elsewhere. [4] Field agents stood lower in the hierarchy, and are generally poorly studied, in part due to lack of records, but field agents for Austin Woolfolk, for example, "served only a year or ...
President Biden is in better health, in recovery from a COVID diagnosis, White House physician Kevin O’Connor announced Sunday. Biden received his eighth dose of Paxlovid treatment early Sunday ...
2,4,5-Trichlorophenoxyacetic acid (also known as 2,4,5-T ), a synthetic auxin, is a chlorophenoxy acetic acid herbicide used to defoliate broad-leafed plants. It was developed in the late 1940s, synthesized by reaction of 2,4,5-Trichlorophenol and chloroacetic acid. It was widely used in the agricultural industry until being phased out ...
According to 2022 Census data, the median household income in the U.S. was $74,580. For Americans making significantly less than that, a car is a major purchase with many factors to consider. Not...
2. "I'm on the Lamb but I Ain't No Sheep" Eric Bloom, Albert Bouchard, Sandy Pearlman: Eric Bloom: 3:10: 3. "Then Came the Last Days of May" Donald Roeser: Donald Roeser: 3:31: 4. "Stairway to the Stars" Albert Bouchard, Donald Roeser, Richard Meltzer: Eric Bloom: 3:43: 5. "Before the Kiss, a Redcap" Allen Lanier, Murray Krugman, Donald Roeser ...
USRA Light Santa Fe. Factor of adh. The USRA Light Santa Fe was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-10-2 wheel arrangement in the Whyte notation, or 1′E1′ in UIC ...