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The 14-inch M1920 railway gun was the last model railway gun to be deployed by the United States Army.It was an upgrade of the US Navy 14"/50 caliber railway gun.Only four were deployed; two in the Harbor Defenses of Los Angeles and two in the Panama Canal Zone, where they could be shifted between the harbor defenses of Cristobal (Atlantic) or Balboa (Pacific).
The test was developed at Harvard University in 1942. [3] Several modified versions of the original Harvard step test exist; examples include the Tecumseh step test and the Kasch step test. [5] Another modified version, the Sharkey step test, was developed in the 1970s for use by the United States Forest Service at the University of Montana in ...
1947 Heathkit ad featuring the 5-inch oscilloscope. Oscilloscope OL-1 from 1954, the company's first with a relatively small 3-inch CRT which allowed for a highly competitive price of US$ 29.50 (equivalent to $345 in 2024) for the DIY kit. [1] Heathkit is the brand name of kits and other electronic products produced and marketed by the Heath ...
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The results of the test can also be used to estimate maximum oxygen consumption during exercise . [3] [4] The Tecumseh step test was originally employed in the Tecumseh Community Health Study run between the 1950s and 60s. [5] During this study, 2696 men and 2568 women aged between 10 and 69 years old performed the Tecumseh step test. [2]
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Testing kit or test kit is a discerning device used in a wide range of areas including: Medical diagnosis; Reagent testing; Rape kit; Pregnancy test; Gunshot residue;