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2. Lie-Nielsen Toolworks - Wikipedia

   en.wikipedia.org/wiki/Lie-Nielsen_Toolworks

   Lie-Nielsen uses manganese bronze and ductile iron castings, and cryogenically treated A-2 steel.. Manganese bronze, a very hard, strong alloy, is the material of choice for Lie-Nielsen tools because it is heavier than iron, doesn't rust, and won't crack if dropped.

3. Soken tester - Wikipedia

   en.wikipedia.org/wiki/Soken_tester

   Soken tester Testing head on the sample of electrical steel. Soken tester - is a portable single yoke instrument for assessing the power loss in electrical steel laminations.. It has been developed for quick assessment of power loss in electrical steel sheet without the need for cutting and annealing, as it is the case for standardised methods like Epstein frame.

4. Howell Works - Wikipedia

   en.wikipedia.org/wiki/Howell_Works

   The cupolas were added for the production of cast-iron products, which Allaire was able to manufacture as a result of the surplus pig iron from the Works. His company manufactured items including pots, pans, skillets, kettles and other holloware ; along with andirons, pipes, tools and machine castings.

5. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   Measuring instruments in fiction: Captain Nemo and Professor Aronnax contemplating thermometers, barometers, clocks, etc. in Jules Verne's 1869-1870 science fiction novel Twenty Thousand Leagues Under the Seas Fun measuring instruments: a Love Meter and strength tester machine at a Framingham, Massachusetts rest stop.

6. Spark testing - Wikipedia

   en.wikipedia.org/wiki/Spark_testing

   Spark testing is a method of determining the general classification of ferrous materials. It normally entails taking a piece of metal, usually scrap, and applying it to a grinding wheel in order to observe the sparks emitted. [ 1 ]

7. Universal testing machine - Wikipedia

   en.wikipedia.org/wiki/Universal_testing_machine

   Typical lectromechanical Universal Testing Machine Test fixture for three point flex test. A universal testing machine (UTM), also known as a universal tester, [1] universal tensile machine, materials testing machine, materials test frame, is used to test the tensile strength (pulling) and compressive strength (pushing), flexural strength, bending, shear, hardness, and torsion testing ...

8. Indentation hardness - Wikipedia

   en.wikipedia.org/wiki/Indentation_hardness

   In the Knoop test, only the longer diagonal is measured, and the Knoop hardness is calculated based on the projected area of the indent divided by the applied force, also giving test units in kgf/mm 2. The Vickers microindentation test is carried out in a similar manner welling to the Vickers macroindentation tests, using the same pyramid.

9. Rockwell scale - Wikipedia

   en.wikipedia.org/wiki/Rockwell_scale

   Hugh M. Rockwell (1890–1957) and Stanley P. Rockwell (1886–1940) from Connecticut in the United States co-invented the "Rockwell hardness tester," a differential-depth machine. They applied for a patent on July 15, 1914. [4] The requirement for this tester was to quickly determine the effects of heat treatment on steel bearing races.