Mullard data book 1970

Eitemau Tebyg

• Valves and semiconductors
• Electronic circuits: A unified treatment of vacuum tubes and transistors
  gan: Angelo, E James Jr
  Cyhoeddwyd: (1964)
• Valve Radio- servicing
  gan: Janakiraman, R
• Valve selection handbook
  gan: Zappe, R. W.
  Cyhoeddwyd: (2003)
• Tyre valve rim : data manual 1997
  Cyhoeddwyd: (1997)