Author Editor
Riepka, Hellmuth C. Dr. Eugen Nesper
Publisher ISBN
Julius Springer, Germany
Berlin
Date of issue / Date of first publication Periodicity
1926 / 1924
Edition
3. Edition 1. Edition 1924
2. Edition 1925
3. Edition 1926
Format Pages
DIN A5 Portrait 194
Print Type Type
Book about tubes/semiconductors