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IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Edward Hebern of California designed ...

An ac induction rotor starts as a stack of steel plates stamped with slots. Either molten aluminum is injected into the slots and flowed over the ends, or (in very large motors) bars of aluminum or ...

• Induction motors employing copper rotors can be smaller than equivalent versions with aluminum rotors. • Copper rotors exhibit lower losses than aluminum which lets them run cooler and be more ...

This set of lettered cogs doesn’t appear to be the most exciting of discoveries. It turns out, however, that they belong to a Second World War Enigma coding machine and have only just been discovered ...

Steam turbine rotors bend during operation, but the bearing and supports are designed to keep the static and dynamic forces under control. However, bending can cause impact between stationary and ...

For the past four years, Claas has been collecting data from more than 100 Claas Lexion 700 combine harvesters fitted with a twin rotor. The program was prompted to dispel a perception that twin-rotor ...