Practical Opto Electronic Projects (BP) by Penfold, R. A. Paperback Book The

Practical Electronic Model Railway Projects by R. A. Penfold

Practical Electronic Model Railway Projects by R. A. Penfold (Paperback, 1996)

Single IC Projects by R.A. Penfold

Interfacing PCs and Compatibles by R. A. Penfold Paperback

Electronic Music And MIDI Projects By RA Penfold

Fault Finding Electronic Projects - R. Penfold - 1997 - Paperback

Easy PC Interfacing (BP) By R. A. Penfold