Accumulatoren-Fabrik Aktiengesellschaft AFA
Pevsner, Nikolaus Bernhard Leon (1902 - 1983)
Graves, Lawrence Murray (1896 - )
Sprater, Friedrich (1884 - 1952) Bug, Alfons. Fot.
Oehler, Ernst (1867 - )
Stowarzyszenie Teletechników Polskich
Stowarzyszenie Teletechników Polskich
Hauser, Heinrich (1901 - 1955) Wolff, Paul (1887-1951) Fot.