Introduction to d.c. machines
Subtitle: a programmed text
By: prepared in collaboration with E.S.L. Bristol.
Contributors: Educational Systems Limited.
Publisher: Newnes-Butterworths
Published: 1970
Place of publication: London (88 Kingsway, W.C.2)
Language: eng
Number of pages: 192
Subjects: Electric machinery -- Directcurrent -- Programmed instruction.