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 ...

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 ...

• 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 ...

For 100 years, GROB has been known worldwide for the development and manufacturing of machines and production lines. GROB is a family-owned company wi...READ MORE ...