Specialized - Cathode Ray vacuum tubes

CathodeRay

Special-purpose cathode-ray display tube in the 903 family, intended for radar, monitor, or related visual-display service with phosphor characteristics designated by the LB suffix.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Early electrostatic cathode-ray oscillograph tube intended for observation or recording of electrical phenomena, with manufacturer-defined focusing, deflection, and fluorescent-screen characteristics for type 905.

Base

Not recorded

Socket

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Heater

Not recorded

Sections

1

CathodeRay

The 905A is a high-vacuum cathode-ray tube developed for oscillographic display and electronic measurement. It uses electrostatic focusing and deflection to produce a green fluorescent trace with medium persistence. Its relatively large screen permits direct observation of voltage waveforms and other electrical phenomena.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Early electrostatic cathode-ray oscillograph tube intended for observation or recording of electrical phenomena, with manufacturer-defined focusing, deflection, and fluorescent-screen characteristics for type 906P1.

Base

Not recorded

Socket

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Heater

Not recorded

Sections

1

CathodeRay

Early electrostatic cathode-ray oscillograph tube intended for observation or recording of electrical phenomena, with manufacturer-defined focusing, deflection, and fluorescent-screen characteristics for type 906P3.

Base

Not recorded

Socket

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Heater

Not recorded

Sections

1

CathodeRay

Direct-view cathode-ray tube with electrostatic focusing and deflection and a P4 white screen. The available source family supports precision electronic display use but does not establish a narrower specialized application.

Base

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Socket

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Heater

Not recorded

Sections

1

CathodeRay

High-vacuum cathode-ray tube with electrostatic focusing and deflection and a bluish, extremely short-persistence screen. Its rapid decay and direct electrostatic beam control suit oscillographic measurement and transient display.

Base

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Socket

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Heater

Not recorded

Sections

1

CathodeRay

The 908A is an electrostatically focused and deflected oscillograph cathode-ray tube designed for observing rapidly changing electrical signals. Its blue fluorescent phosphor has very short persistence, making it useful for fast waveform displays. The tube uses a low-voltage heater and multiple deflection-electrode connections.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Three-and-one-half-inch oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Its compact direct-view beam system is intended for waveform display and electronic measurement instrumentation.

Base

Not recorded

Socket

B12A

Heater

4 V

Sections

1

CathodeRay

Nine-inch radar cathode-ray tube with electrostatic focusing, magnetic deflection, and long orange afterglow. The persistent screen retains radar traces and echoes between successive sweeps.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

CathodeRay

The 912 is a high-intensity, high-vacuum cathode-ray tube intended for oscillographic applications. Its approximately five-inch medium-persistence screen provides waveform visibility, while electrostatic deflection and focusing permit direct control of the electron beam. Separate electrode connections accommodate high-voltage oscilloscope circuitry.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

The 913 is a compact high-vacuum cathode-ray tube designed for small oscillographs and electronic indicators. It employs electrostatic focusing and deflection with a green P1 phosphor screen of medium persistence. Its miniature metal-shell construction permits display applications requiring a small viewing area.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

The 914A is a high-vacuum oscillograph cathode-ray tube with electrostatic focusing and deflection. Its green fluorescent screen provides medium persistence for observing electrical waveforms. Separate deflection-electrode terminals permit controlled beam movement, while its low-voltage heater supplies the indirectly heated cathode.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Nine-inch high-resolution cathode-ray tube with magnetic focusing and deflection, designed for flying-spot scanning or photographic recording. Its high-voltage fine-detail display supports optical image conversion.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-resolution cathode-ray tube with magnetic focusing and deflection, designed for flying-spot scanning or photographic recording. Its high-voltage fine-detail display supports optical image conversion.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-resolution cathode-ray tube with magnetic focusing and deflection, designed for flying-spot scanning or photographic recording. Its high-voltage fine-detail display supports optical image conversion.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-quality flat-face CRT designed for telerecording and television standards-converter service. Its high-resolution high-voltage display system supports photographic recording and television format conversion.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-resolution display CRT with magnetic focusing and deflection and an optically flat metal-backed screen. Its high-voltage construction is intended for precision image presentation and recording.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-resolution display CRT with magnetic focusing and deflection and an optically flat metal-backed screen. Its high-voltage construction is intended for precision image presentation and recording.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-resolution display CRT with magnetic focusing and deflection and an optically flat metal-backed screen. Its high-voltage construction is intended for precision image presentation and recording.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-resolution display CRT with magnetic focusing and deflection and a fine-particle blue phosphor. Its high-voltage beam system supports detailed precision image presentation and photographic work.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

The RCA 9AP4 is a nine-inch monochrome television kinescope employing electrostatic focusing and magnetic beam deflection. Its white P4 phosphor screen produces a visible image from the scanned electron beam. The indirectly heated cathode operates from a 2.5-volt heater supply.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Short nine-inch Videotron television picture tube with electromagnetic focusing and deflection. Its compact direct-view construction is intended for monochrome television image display.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Nine-inch radar-style cathode-ray display tube with magnetic focusing and deflection, P7 long-persistence phosphor, and approximately 55-degree maximum deflection for retained trace presentation.

Base

5AN

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

The 9HP7 is a nine-inch cathode-ray tube using magnetic focusing and magnetic deflection. Its long-persistence P7 phosphor screen supports observation of transient or intermittently occurring electronic signals. The tube employs an indirectly heated electron gun and external magnetic beam-control components.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch high-vacuum instrument CRT with electrostatic focusing, combined electrostatic and magnetic deflection, and a P1 green medium-persistence screen for precision direct-view waveform or indicator display.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Electrostatic cathode-ray tube documented by a Russian manufacturer source. The available documentation establishes CRT construction but does not provide enough functional evidence to justify a narrower application category.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Nine-inch radar-style cathode-ray display tube with magnetic focusing and deflection, P7 long-persistence phosphor, and approximately 55-degree maximum deflection for retained trace presentation.

Base

5AN

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

The 9MP7 is a nine-inch cathode-ray tube designed for oscillographic and specialized electronic displays. It employs magnetic focusing and deflection with a long-persistence P7 phosphor screen. The electron gun operates from a 6.3-volt heater and supports examination of transient signals.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

The 9NP1 is a nine-inch oscillographic cathode-ray tube featuring electrostatic focusing and electrostatic deflection. Its green P1 phosphor screen provides a visible trace for electronic waveform observation. The electron gun uses a low-voltage heater, with separate contacts for deflection and accelerating electrodes.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Nine-inch lightweight television picture tube designed for small portable receivers, with a low-current heater suitable for series-string operation. General Electric documentation emphasizes compact size and reduced receiver power requirements.

Base

12AD

Socket

Not recorded

Heater

9.4 V

Sections

1

CathodeRay

Nine-inch lightweight television picture tube designed for small portable receivers, with a low-current heater suitable for series-string operation. General Electric documentation emphasizes compact size and reduced receiver power requirements.

Base

12AD

Socket

Not recorded

Heater

9.4 V

Sections

1

CathodeRay

Nine-inch Mullard radar cathode-ray tube with an orange long-persistence screen. Its phosphor retains echoes between sweeps, making it suitable for radar indicator presentation.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Pan-O-Ply television picture tube with aluminized P4 screen, 90-degree magnetic deflection, low grid-No.2 cathode-drive operation, and no requirement for an ion-trap magnet.

Base

7GR

Socket

DUODECAL5

Heater

12 V

Sections

1

CathodeRay

Seventeen-centimeter rectangular aluminized P4 picture tube for industrial television, using a tetrode electron gun with Einzel electrostatic focusing and approximately 70-degree magnetic deflection.

Base

Not recorded

Socket

DUODECAL7

Heater

6.3 V

Sections

1