Filament transformer, model UX-6899
Maker - 1983.010.003
Founded 1922 by Vannevar Bush, Laurence K. Marshall and Charles G. Smith in Cambridge, Massachusetts. Merged into Raytheon Technologies on April 3, 2020. The merged company headquarters is in Waltham, Massachusetts.
Maker - 1983.010.003
Maker - 1983.010.005
Maker - 1985.018.006
Founder