- circuits de logique
- Electric motors - Work Shop (collection) n°16
- Electric motors in the home workshop - Work Shop (collection) n°24
- Machines dynamo-électriques - courant continu
- Technique du magnétophone - bobines, cassettes, cartouches
- Three-phase conversion - Work Shop (collection) n°47
- Workshop electrics - Work Shop (collection) n°22
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