Search Results for: Line telephone sets
graham bell and his assistant charles sumner tainter on february , , at bell's laboratory at l street in washington, d.c. [ ] [ ] both were later to become full associates in the volta laboratory association , created and financed by bell. on june , , bell's assistant transmitted a wireless voice telephone
the patents granted in bell's name alone, and the he shared with his collaborators, four were for the photophone, which bell referred to as his "greatest achievement", telling a reporter shortly before his death that the photophone was "the greatest invention [i have] ever made, greater than the telephone...
https://en.wikipedia.org/wiki/Photophone
transformer, circuit breaker. address:no ,anju rd,beilun distric ningbo, zhejiang pt.zona antarez manufacturing & metalworking. address:jl. pelajar pejuang no. bandung, west java ningbo yinzhou huayuan electric & machine industry co., ltd all kinds of transformers, switches. substations, generator sets
industrial road,longjiang town,shunde section foshan, guangdong hebei far-east communication system engineering co., ltd - time & frequency divisio oscillator, ocxo, vcxo, tcxo. address:changsheng, shijiazhuang, hebei, china, shanghai shanghai dingxin diesel generator co., ltd engineparts/diesel generator sets...
https://mobile.companiess.com/electrical-equipment-supplies-category.html