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VTNBK 7/927
rectifier?
VTNBK 7/927

rectifier?

Date1920
Inventory NumberVT1764
ClassificationVacuum Tube
Maker Raytheon Manufacturing Company founded 1925
Place of OriginWaltham, Massachusetts, United States
Dimensions18.3 × 3.7 × 3.7 cm (7 3/16 × 1 7/16 × 1 7/16 in.)
Description"OPEN TUBE ON TOP - MELTED, BURNED SURFACE"
VTNBK 7/967
diode?
Raytheon Manufacturing Company
Date: 1924
Object number: VT1807
Raytheon RK3B26 half-wave rectifier tube
Raytheon RK3B26 half-wave rectifier tube
Raytheon Manufacturing Company
Date: circa 1935
Object number: VT0100
Raytheon 25Z5GT rectifier voltage doubler tube
Raytheon 25Z5GT rectifier voltage doubler tube
Raytheon Manufacturing Company
Date: 1933
Object number: VT0105
Image Not Available for HW CC rectifier
HW CC rectifier
Raytheon Manufacturing Company
Date: 1922
Object number: VT0975
tubes (4)
tubes (4)
American
Date: late 19th-early 20th Century
Object number: 1997-1-1398
VTNBK 5/671
Raytheon CC rectifier
Raytheon Manufacturing Company
Object number: VT0355
VTNBK 2/263
CC rectifier
Raytheon Manufacturing Company
Object number: VT0970
Image Not Available for HW CC rectifier
HW CC rectifier
Raytheon Manufacturing Company
Date: 1934
Object number: VT1441
Image Not Available for CC rectifier
CC rectifier
Raytheon Manufacturing Company
Object number: VT1555
Image Not Available for HW Hg rectifier
HW Hg rectifier
Raytheon Manufacturing Company
Date: 1950
Object number: VT0509
VTNBK 4/611
DEV CC rectifier
Raytheon Manufacturing Company
Object number: VT0576
VTNBK 3/329
Raytheon half-wave mercury-vapor rectifier tube
Raytheon Manufacturing Company
Date: circa 1930
Object number: VT0609