Trade literature

VLF RI-FI Equipment Folder. A 4-page illustrated folder on versatile Very Low Frequency radio interference and field intensity measuring equipment is available from Stoddart. The literature features the Stoddart NM-10A, which combines laboratory precision with ruggedness and portability for all-weather field operation over a range of 14 kc to 250 kc. Also included is information on a complement of accessories designed to accommodate every conceivable laboratory or field problem in locating and measuring voltage and current values of radio signals or radio interference.