|Name:||Senco; Addison and Chicago (IL) (USA )|
|Products:||Model types Others|
"Senco" = "Service Instruments Company", 171 Official Road, Addison (Illinois), otherwise referenced as "Service Instruments Co." in Chicago (IL).
Manufacturer of test equipment (Multimeter, filament tester, tube tester and transistor tester etc.)
Please do not mix up with "Senco Radio Co." in New York, a company who has relabeled tubes with "SENCO".
At least in 1956 Senco sold models by "Allied Radio Corporation" catalog.
This manufacturer was suggested by Vitor Oliveira.
|USA||54||Filament Tube Checker FC2|
|USA||55||Leakage Checker LC2||Tube leakage checker, 7 tube sockets, eye tube indicator.|
|USA||56||FC-4 Tube Filament Checker||Handy tester, 4 sockets, checks voltages 100-600 volts.|