Lapp Process Equipment Div. ; Lapp Radio Specialties Div. Search this
Notes content:
Electrical equipment ; vacuum-process high voltage insulators and allied clamps and hardware ; "Pulsafeeder" piston diaphragm pump ; porcelain insulators ; electric power transmission ; Lapp chemical porcelain for industry ; porcelain valves , pipe and fittings ; radio specialties ; design specifications ; blueprints for some porcelain goods ; "It Took 5000 Years" development of Lapp porcelain ; "The Vacuum Slip Process of Removing Air from Clay Bodies" by G. W. Lapp ; "A Comparison: American and European High Voltage Pin Type Porcelain Insulator Designs" .