Direct current, course for the DC-box
Subtitle: book of exercises.
Contributors: Bundesinstitut für Berufsbildungsforschung (Germany); Festo Didactic (Firm); Festo Pneumatic Limited.
Edition: 1st ed. --
Series: Electrics
Publisher: BBF; Festo Didactic
Published: 1977
Place of publication: [West Berlin]; [Esslingen]
Language: eng
Number of pages: 96
Subjects: Electric currents, Direct -- Problems, exercises, etc.
Notes: On label mounted on t.p. :Festo Pneumatic Limited.

"Part of the comprehensive educational training documentation of the Federal German Institute for Vocational Training Research (BBF) in the Federal German Institute for Vocational Training of the Federal [sic] Republic of Germany."