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XM TRI
XM TRI

XM TRI

Inventory NumberVT1999
ClassificationVacuum Tube
Maker General Electric Company 1892-present
Place of OriginSchenectady, N.Y.
Dimensions46.4 × 14 × 14 cm (18 1/4 × 5 1/2 × 5 1/2 in.)
Description"DWG SHOWS PR-4-B, SOMEWHAT SMALLER"
Signedstamped on base: GE logo
Inscribedin black pen on bulb: T87 stamped on base: R5 / 2586
Image Not Available for klystron
klystron
Western Electric Company
Object number: VT1493
WE experimental shielded triode tube
WE experimental shielded triode tube
Western Electric Company
Date: 1930-1940
Object number: VT0207
GE GL2C44 planar triode
GE GL2C44 planar triode
General Electric Company
Object number: VT1070
WE 259A tetrode tube
WE 259A tetrode tube
Western Electric Company
Date: 1931
Object number: VT1500
Image Not Available for tungar rectifier
tungar rectifier
Western Electric Company
Date: 1934
Object number: VT1505
Volutron UX171A power triode tube
Volutron UX171A power triode tube
S. S. Kresge Corporation
Date: 1928
Object number: VT1399
Raytheon RK707A reflex klystron tube
Raytheon RK707A reflex klystron tube
Raytheon Manufacturing Company
Date: 1942
Object number: VT0756
Image Not Available for tuning eye
tuning eye
Raytheon Manufacturing Company
Date: 1935
Object number: VT1383
CeCo RF22 screen-grid tetrode tube
CeCo RF22 screen-grid tetrode tube
CeCo Manufacturing Company
Date: 1928
Object number: VT1446
Songbird 199D triode
Songbird 199D triode
W. T. Grant Company
Date: 1925
Object number: VT1428
Northern MY227.triode
Northern MY227.triode
Northern Manufacturing Company
Date: 1927
Object number: VT1400
Sylvania SY227 triode tube
Sylvania SY227 triode tube
Sylvania Products Company
Date: 1927
Object number: VT1396