New operating practices for electrical engineers a master sourcebook of new electrical methods, procedures, short-cuts and equipment
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | New York
          [Electrical World]
    
        [1942]. | 
| Pynciau: |