Reference Book for students of the Line and Station Repair Course

This is a technical reference book published for understanding telephone operations, including stations and lines, as it existed during the 1920s. The book is a mimeographed copy bound with two brass posts in a plain brown wrapper. 41 pages of text followed by drawings and multiple appendices. Book is in good condition. Pages are bright and clean. Table of contents: Coin Collectors Use of Hand Set in Locating Troubles No. 2 Private Branch Exchange The Subscriber Set Method of Testing Troubles Subscriber's Line Receiver Transmitter Coils Condensers Ringers Grounds Miscellaneous No. 2 I.C.S.