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 ...
When it comes to energy efficiency, every little bit helps. Motor manufacturers are always looking to cut losses and increase efficiency. One innovative way may be to use die-cast copper rotors ...
Edward Hebern of California designed this rotor for a cipher machine. Commercial rotary cipher machines would be introduced in the 1920s and 1930s for commercial purposes by several people in several ...
Enigma of the missing cogs solved: Second World War rotors discovered in cupboard at Royal Navy base
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 ...
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 ...
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