Name/Title
Military Test EquipmentEntry/Object ID
1000.1809.2Description
Equipment, Test, MilitaryMade/Created
Manufacturer
Philco Corp.Date made
1941Notes
where made: Philadelphia, PA
model name: Frequency Meter
model number: BC-221-N
serial number: 2150General Notes
Note
US Army Signal Corps
125 to 20,000 Kilocycles
Visual Calibration book.
AC or DC powered.