British Army Manual Signal Training Volume II. Part I. Theory of Electricity & Magnetism As Applied to Telegraphy & Telephony. 1923.Soft Cover172 PagesIn Good ConditionSignal Training Vol.II Part I Theory of Electricity and Magnetism... (1923) AU$49.99價格數量*只剩 1 件庫存新增至購物車立即購買尚無評論分享您的意見。 成為第一個發表評論的人。留下評價