Technical Pamphlets for Workmen. D 20
POST OFFICE ENGINEERING DEPARTMENT
Superposed Circuits. Transformers. Bridging Coils and Retardation Coils.
NEAR FINE COPY IN ORIGINAL WRAPPERS
Published: HMSO, 1919
Stock code: 29467
Price: £15.00
8vo., with illustrations and diagrams in the text; original blue wrappers, wire-stitched as issued, a near fine copy.
VERY SCARCE IN THIS CONDITION.