Frequency range: 175 ? to 5?? KHz
Power Source: external battery or DC source. .
Comments. The MSL4 replaced the MSL3 in July of 1934. Since the MSL4 is suffixed with the number 1, that suggests that there may be one or rmore variants in the series.
|MSL4-1. The front panel is finished in black alligator skin. Download photo to enlarge. (Photo by Millar Studio), Montreal|
|MSL4-1 top view. Download photo to enlarge. Photo by Millar Studio, Montreal)|
|Images provided by Lewis Bodlin|
Contributors and Credits
1) Lewis Bodkin <05bodkin555(at)gmail,com>
2) Millar Studio, 1193 Phillips Square, Montreal; LAnacater 8646