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It is a standard [1] tool during wildfire suppression and trail restoration. [2] The combination tool was created in 1905 by Malcolm McLeod, a United States Forest Service ranger at the Sierra National Forest. [3] [4] The McLeod was originally designed to rake fire lines with the teeth and cut branches and sod with the sharpened hoe edge.
ASME publishes Manual on American Standard Pipe Threads. 1919-12 The National Board of Fire Underwriters publishes Standardization for Fire Hose Couplings and Fittings pamphlet. Included in its content is a descript of a set of tools devised for the purpose of re-forming proprietary threads to standard size 1920
It is marketed variously under the trade names TCT - Twin Clutch Transmission , Euro Twin Clutch Transmission , [2] TCSS - The Twin Clutch System [3] and Dual-Dry-Clutch Auto Transmission . Able to receive torque inputs of up to 350 N⋅m (260 lbf⋅ft), the transmission is the highest-torque transverse dual-dry-clutch application.(2012) [ 4 ...
The clutch has three jobs: When the engine runs idle (typically 2500–2700 rpm) the chain does not move. When the clutch is engaged and the chain stops in the wood for another reason, it protects the engine. Most importantly, it protects the operator in case of a kickback. Here, the chain brake stops the drum, and the clutch releases immediately.
A McLeod gauge is a scientific instrument used to measure very low pressures, down to 10 −6 Torr (0.133 mPa). It was invented in 1874 by Herbert McLeod (1841–1923). [ 1 ] McLeod gauges were once commonly found attached to equipment that operates under vacuum , such as a lyophilizer .
R 1 2 3 4 5 Total Span Span Center Avg. Step Compo-nents 5HP 18 · 1990 5HP 19 · 1997 −4.096 3.665 1.995 1.407 1.000 0.742 4.936 1.650 1.491
John James Rickard Macleod, FRS, FRSE [1] (6 September 1876 – 16 March 1935), was a Scottish biochemist and physiologist.He devoted his career to diverse topics in physiology and biochemistry, but was chiefly interested in carbohydrate metabolism.
Heavy equipment vehicles of various types parked near a highway construction site. Heavy equipment, heavy machinery, earthmovers, construction vehicles, or construction equipment, refers to heavy-duty vehicles specially designed to execute construction tasks, most frequently involving earthwork operations or other large construction tasks.