A portable practice set in a case used for teaching telegraph and wireless operators Morse code. Spring-operated motor with winding crank on right side. A punched-paper tape is pulled around a spindle ...
Beloit, Wis.- headquartered Fairbanks Morse Defense (FMD) is to expand its robotic welding program. Aimed at boosting ship ...
EDM (Electrical Discharge Machining) is one of those specialised manufacturing processes that are traditionally expensive and ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Telegraph keys are electrical on-off ...