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Circuits/descriptions of instruments. (I don't have much of these so I don't intend to make this a large collection.)
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| (up)date
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Brand
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Description
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Type
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±40
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Short info for a lot of radio's sold in the Netherlands 1928..1952
(updated: all pages since 2001-02-10)
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Radio-Vademecum (6,495,083 bytes) (nl)
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AVO
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AVO Valve Testers and other instruments
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AVO (html page)
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2022-03-24
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Central Electronics
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Multiphase Exiter model 20A
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model 20A (html page)
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DeTeWe
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German 'Volksempfaenger' VE301 GW Dyn from 1938. tubes: VF7, VL1, VY1
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VE301 Dyn GW (html page)
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E. H. Scott
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Radio Receiving Equipment RCH
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RCH receiver (html page)
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E-H Research Laboratories inc
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132A - Instruction Manual
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132A (20,313,577 bytes)
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FP-DIY
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DIY Vibrator for Car radio
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Vibrator (html page)
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2025-05-06
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FP-DIY
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EL51 stereo power amplifier
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EL51-amp (html page)
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2023-05-27
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FP-DIY
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Phunsy - Micro-computer (no tubes)
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phunsy (html page)
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Friden
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What's left of my 1112 desktop calculator
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Friden 1112 (html page)
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Geloso
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Some Geloso stuff
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Geloso (html page)
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IME
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IME26 - Nixie tubes and lots of transistors
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IME26 (html page)
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Military uk
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Receiver R107
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R107 (html page)
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Military uk
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Transmitter/Receiver TR1143
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TR1143 (html page)
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Military us
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Receiver BC652A
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BC652A (html page)
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Military us
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Transmitter cicuit diagram
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T-271/GR (1,145,978 bytes)
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Military us
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Tubetesters
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TV7 (html page)
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2024-11-27
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MK
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Dutch DIY radio from the late 40's using: 2x ECH4, 1x EBL1, AZ1
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Bantam (html page)
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Murphy
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V310, V310C & V310D Television Receivers
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Service Manual (4,302,191 bytes)
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Nijkerk
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DIY radio 1930 using: 373, E442, E424 and C443
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NR3 wisselstroom (1,403,415 bytes) (nl)
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Nora
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German radio using: 2x REN804, 2x REN1004, RE134 or RE604, RGN1054
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K5W (html page)
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Olympia
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RAE 4/15-2 - Early Electronic Calculator with ZM1080 Nixies
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RAE 4/15-2 (html page)
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Philips
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25 Watts amplifier using: 2x 4689
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2843 (1,267,671 bytes) (de/nl)
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Philips
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20 Watts amplifier using: EF40, ECC40, 2x EL34, AX50
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2848 (772,640 bytes) (de)
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Philips
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24 Watts amplifier using: 2x 4699 and EE1
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2858 2864 (741,093 bytes) (nl)
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Philips
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25 Watts amplifier using: 2x CF50, EF40, ECC40, 2x EL60, AX50, AZ41
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3145 (1,309,359 bytes) (nl)
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Philips
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Small Radio, no circuit diagram.
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37A (150,670 byte) (nl)
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Philips
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Radio using: AK2 AF3 AB2 AL4 AZ1
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456A (235,044 bytes) (nl)
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Philips
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Radio (1933) for DC mains using: 2x B2052T, 2x B2038, B2043
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630C (1,834,311 bytes) (nl)
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Philips
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Radio using: ECH3, EF9, EBL1, AZ1
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680A-12 (716,054 bytes) (nl)
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Philips
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Radio using: 2x AF2, AB1, E446, E443H, 506
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736A (1,613,202 bytes) (nl)
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Philips
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Transformerless 60 Watts HiFi Amplifier (Circlotron) 8122 035 00791 (~AG9007) (1966): 3x EF86, 4x EL36
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8122 035 00791 (1,727,399 bytes)
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Philips
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Tuner 1958 (ECC85, ECH81, EF89, EF89, EABC80, EC92, EZ80, EM84)
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A5X83A (html page)
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Philips
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HiFi amplifier using 2x2xEL86 (unusual power stage)
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AG9015 (1,161,447 bytes) (nl)
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Philips
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HiFi amplifier using 2x2xEL86 (unusual power stage)
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AG9018 (1,865,915 bytes) (nl)
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Philips
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Radio using: ECC85, ECH21, EF89, UABC80, UL84, UY85
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B2X12A (227,531 bytes) (nl)
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Philips
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Radio using: ECC85, ECH81, EF85, EABC80, EL84, EZ80
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B3X02A (271,699 bytes) (nl)
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Philips
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Radio using: ECC85, ECH81, EF89, EBF89, EAA91, ECC83, EL84, EZ81, EM80
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B6X12A (328,728 bytes) (nl)
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Philips
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Radio using: UCH42, UAF42, UBC41, UL41, UY41
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BX290U (1,185,906 bytes) (nl)
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Philips
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Radio using: ECH21, 2x EAF42, 2x EL41, EM4, AZ1
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BX704A (2,801,993 bytes) (nl)
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Philips
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20 Watts studio monitor amplifier using EF86, 2xEF80, 2x EL34, GZ34
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EL3720 (867,311 bytes)
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Philips
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20 Watts amplifier using 2x EL81
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EL6400 user manual (815,152 bytes) (nl)
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Philips
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20 Watts amplifier using 2x EL81
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EL6401 (75,817 bytes)
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Philips
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40 Watts amplifier using 4x EL81
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EL6411 (21,255,957 bytes) (nl)
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Philips
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70 Watts amplifier using 2x EL34
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EL6420 (1,540,769 bytes)
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Philips
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70 Watts amplifier using 4x EL36
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EL6425 (1,914,757 bytes) (nl)
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Philips
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120 Watts amplifier using 4x EL34
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EL6431 (html page)
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Philips
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140 Watts amplifier using 4x PE06/40N
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EL6435/00 (1,121,921 bytes)
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Philips
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1000 Watts amplifier using E80CC, 2xE80L, 2xEL34, 2xQB3.5/750, 6xDCG4/1000G-01, 2xDCG1/250,
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EL6471/00 (12,751,179 bytes) (nl)
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Philips
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Standard Signal Generator using EF50N, EF51, EF42, 150A1 & AZ41
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GM2653 (5,685,643 bytes) (nl)
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Philips
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The first Philips oscilloscope (1935)
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GM3150 (html page)
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Philips
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The 2nd Philips oscilloscope
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GM3152 (3,216,957 bytes)
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Philips
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Philoscope
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GM4140 (html page)
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Philips
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Oscilloscope using: DG10-6 and 40 series tubes. (no complete circuit)
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GM5653 (1,703,464) (de)
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Philips
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Oscilloscope using: DG10-6, ECC81, 4x EF80, 2x EF91, ECL80, GZ34, 2x PL81, 3x PL83
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GM5654 (2,301,565 bytes) (nl)
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Philips
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Oscilloscope using: DG7-6, 3x ECH81, 2x EZ2
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GM5655 (966,527 bytes) (nl)
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Philips
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Oscilloscope using: DG7-32, 2x ECC81, 1x ECH81, 2x EF80, 2x EZ80
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GM5655/03 (1,218,111 bytes) (nl)
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Philips
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Oscilloscope using 40-series tubes.
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GM5660 service doc. (17,971,563 bytes) (nl)
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Philips
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'HF' Milivoltmeter using: EF40, EF51, EF50N ECH21, EZ2 (User Manual)
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GM6005 (1,321,699 bytes) (nl)
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Philips
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LF Milivoltmeter using: E80CF, E83F, 5x EF80, EZ80, PCL82, 85A2
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GM6012 (2,047,855 bytes)
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Philips
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Tube Testers: 'Cartomatic II' GM7630 & 'Cartomatic III' GM7633
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GM7630 GM7633 (html page)
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Philips
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Signal Tracer GM7600
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GM7600 (204,633 bytes) (pt)
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Philips
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Standard Frequency GM8039
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GM8039 (html page)
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Philips
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K7 - Color TV
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K7 (html page)
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Philips
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Power supply PE1530. Using GZ34, 2x EL34, etc.
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PE1530 (2,793,550 bytes)
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Philips
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PM2421 Digital Multimeter using ZM1000 nixie's
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PM2421 (59,736,388 bytes)
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Philips
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Oscilloscope PM3330
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PM3330 (html page)
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Philips
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Pattern Generator PM5540
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PM5540 (html page)
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Philips
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Very stable adjustable power supply. Using 6080.
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PW4029 (74,617 bytes)
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Philips
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PW4232 Scaler using Z550M tubes
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PW4232 (23,009,780 bytes)
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Philips
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Unknown Amplifier. Using GZ34, 2x EL34, 2x EF80, EF86.
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Unknown Amplifier (html page)
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2021-05-11
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Precision
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Model 660 Tube and Transistor Tester
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Precision 660 (html page)
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RGD
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British radio using: VP41, TH41, HL41DD, EM34, SP41, HL41, PP3/250, UU7
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1050C (html page)
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2021-10-15
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Tobe
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Tobe Amateur Communication Receiver
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Tobe Receiver (html page)
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