Radio and electronic components.
Dummer, G. W. A.(Geoffrey William Arnold)
Blackband, W. T.
London,
1955-1961.
Vol. 1. Fixed resistors. 1955. Vol. 2. Variable resistors and potentiometers. 1956. Vol. 3. Fixed capacitors. 1956. Vol. 4. Variable capacitors and trimmers. 1957. Vol. 5. Wires and R.F. Cables. By G.W.A. Dummer and W.T. Blackband. 1961.