GHIRINGHELLI and PISONI (GP) Static Electrical Converter (Convertitore Statico) Type D.I. + M.I.A. Model 200. Manual
GHIRINGHELLI and PISONI (GP) Static Electrical Converter (Convertitore Statico) Type D.I. + M.I.A. Model 200. Operation Instructions with Electrical Schematics and Component Details.