CLOSED NO LONGER ABLE TO SUPPLY
See INFORMATION Page for possible supplier
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Panel Meters now on a separate page click on "Meters" button above. |
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| MAINS TRANSFORMERS now on separate page click on "Transformers" button above. |
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| Cat No. | Click Pics for Larger View | Description | Condition | Price GBP |
| Instruments and Equipment | ||||
| Q087 |
 |
Sounder - Acoustic Alert - Buzzer - Bleeper -
Alarm.
Besson Bleeptone 12V 1kHz. 47mm diameter with panel mounting adaptor for 27mm diameter hole. |
Old stock | 3.50 |
| Q103 |
 |
Marconi TF2603. RF mV meter. Marconi, with probe, adapters etc. Frequency range 50kHz to 1.5G Hz., 8 Ranges from 1mV to 3V r.m.s. full scale on analogue meter. Power supply 190-265V or 95 to 132V ac 45-500 Hz, or 28Vdc (100mA approx) Prices vary from 45 to 70 depending on condition, calibration and accessories supplied. For a technical note on an earlier version which used a mechanical chopper rather than the later FET switches, and some application ideas, click here. For a copy of the manual, click HERE. (2 Mb in pdf format) I have to prepare and test these as required. |
Used Tested | Typically 55 plus accessories |
| Q105 |
 |
Transmitter-Receiver Tektel 7504. 450-470MHz band operation. 0.5-1W output. Suitable for telemetry applications. Circuit diagrams and specifications for this Tektel equipment can be found HERE. Not individually tested, but several have been in good order. | Used | 10.00 |
| Q106 | . |
Wavebuoy Receiver digital, 6
channel DIWAR. Tested General Information is HERE. |
Used | 150.00 |
| Q107 | . | Signal Generator HP 618B. 3.8 to 7.6 GHz. | Used | P.O.A |
| Q108 | . | Oscilloscope/Recorder Medelec FOR 1004. 2 available | Used | P.O.A |
| Q110 | . | Logic Analyser. Thurlby LA160 with leads | Used | P.O.A |
| Q111 | . | 14 track 1" Tape Recorder SE7000. Various DR and FM Cards available. Tape Transport will be checked. | Used | P.O.A |
| Q112 | . |
Microwriter. Complete unit and case. The new typing system that never became established. |
Unused | P.O.A |
| Q113 | . | Noral SDT815 system with 64180 and 8085 pods and handbook | Unused | P.O.A |
| Q120 | . | Hewlett Packard 214A Pulse Generator | Used | P.O.A |
| Q121 | . | Tektronix 181 Time Mark Generator | Used | P.O.A |
| Q130 | . |
B&K (Bruel and Kjaer) Equipment. Various items available. Filters, Amplifiers, Microphones, Connectors. See HERE for some pages from a catalogue which gives some information on the range. |
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| Q143 |
 |
Larkspur Harness
Junction Box J1. With mounting. Probably unused in service, ex research lab. 
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As seen. Not tested |
37.50 |
| Q149 |
 |
German Wehrmacht
Power junction Box Kab 15P31a AW7018.910. Made by Siemens Probably unused in service, ex research lab.  |
As seen. Not tested |
37.50 |
| Q205 |
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Moore (now Siemens) Electrically controlled Pressure Regulator, Pressure Controller. With 30psi pressure gauge attached. Input of 4-20mA to 185 ohm impedance controls the output pressure over the range 3-15 psi with an input of 30psi. This is still a current model supported by Siemens who combined with Moore in 2000. Spares are still available according to their web site. Click here for data sheet. |
Removed from working system. | 22.00 |
| Q206 |
 |
Controller - 3 term Eurotherm. Various models mains
powered. Have tested and used these but they are offered on a spares/repairs basis. Good for parts or possible re-use. |
Removed from working system. | 4.50 |
| Q218 |
 |
TCS D300 Function Converter. Turnbull Control Systems rail mounted interface unit. Other modules available. | Ex working installation | 8.50 |
| Q251 |
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|
Unused old stock | 6.50 |
| Q257 |
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Post Office Telephone Call Meter.
100A L70546 Patent No. 332483. These were used on each line and were
manually read to send out the bills. Operate from 20 to 28 volt pulses,
500 ohm coil. Ex exchange.
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Used Tested |
4.40 |
| Q258 |  |
Hours Counter 200-250V 50Hz. SangamoS477-1-11. Unused, boxed with mounting instructions and clip. Panel mounting, 38mm square53mm deep overall, 47mm behind front of panel. | Unused | 4.70 |
| Q344 | Power Amplifier HY60 RS type 303-236 | Unused | 7.50 | |
| . | Charge Amplifiers. Various types available B&K, Endevco, Kistler, CA4. | Used tested | P.O.A. | |
| Q371 |
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VHF Tuning Unit. Ex
equipment. With 18 +18pF split stator and 50pF (approx) trimmers.
Adjustable coupling loop by front panel screw.  |
Ex equip | 4.30 |
| Q451 |
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Rectifier - 16A01 - H195L 16 Fins 24 x 35mm, 135mm overall. | Unused | 3.50 |
| Q457 |
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Microwave Switch. SPST Hewlett Packard 33222. NSN 0617/5985-99-527-0583  |
Unused | 19.00 |
| Q1602 |
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Photo Cell Photo Resistor LDR Resistive Silonex NSL4450 >100M ohms in dark <1000 ohms in light. As used in some oil burner flame detectors. See HERE for further details and data. Window 20mm diameter. Overall 30mm diameter, 7mm deep with 10mm rigid leads. |
Unused | 0.50 |
| Q2012 |
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Motor. Precision Size 11 DC Permanent Magnet.. Moore Reed 11PM039.
13V dc 6600 rpm. Double ended with 8mm and 3mm shafts. 27mm diameter body 78mm overall. |
Used Tested | 12.00 |
| Q2041 | . | Mumetal shield for size 11 motors and servos. Wraparound tight fit | Used | 8.00 |
| Q2134 |
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Gearhead. Size 11 Type 1111SRZ40 27mm diameter body. S H Muffett
0633/5990-99-533-3839 |
Unused | 26.00 |
| To Purchase or enquire please see Information Page Here | ||||
| TOOLS and MECHANICAL TEST EQUIPMENT | ||||
| TL121 |
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Trimming Tool for RF and IF Inductors. RS type 543-434 | Old Stock | 1.65 |
| TL320 |
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Crimping Tool. Hellermann Deutsch 15500 | Little Used | 52.00 |
| TL325 |
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Crimping
Tool. Omni Spectra Inc. 2098-5657-54 Crimp Tool. Boxed with spare anvils and instructions in lid. 
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Used | 25.00 |
| TL377 |
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Wire Wrap
Tool, Electric. With re-chargeable battery in handle. No charger. |
Little Used | 14.00 |
| TL755 |
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Talysurf 10, Rank Taylor Hobson Column
and Stand. A112/1261 620 x 400mm anti-vibration table. A0 drawing Ground finish with Four Tee slots 10.8mm wide. Total Mass 100 kg. Some light rusting of the table. Collection essential.  |
Used | 150.00 |
| TL756 |
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Talysurf, Rank Taylor Hobson Column,
6 inch (152mm) Traverse Unit and Instructions mnual. Code 112/815. Boxed. Mains operated 240V 50Hz. Mass 17 kg. |
Used | 150.00 |
| To Purchase or enquire please see Information Page Here | ||||
| Voltage Selectors | ||||
| TM252 |
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Mains Voltage Selector, Switchcraft. Two position. | Unused old stock | 2.20 |
| TM253 |
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Mains Voltage Selector 2 pin shorting plug. | Unused old stock | 3.70 |
| TM254 | . |
Mains Voltage Selector
3 pin shorting plug. As used on Racal
receivers. Round "knob" with arrow. |
Used | 12.70 |
| TM255 |
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Mains Voltage Selector | Unused old stock | 3.80 |
| POWER SUPPLIES BATTERY HOLDERS and BATTERIES | ||||
| PS023 |
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12 Volt Nickel Cadmium. Varta Type 225
DKZ
CTT. A-93A-08. . Services Ref 6140-99-944-3576 225mAh at 10 hour rate. Dated 1977 in sealed bags. 25mm diameter, 105mm long. |
Unused old stock | 1.10 |
| PS151 |
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Battery Holder for 4 C type batteries (U11
etc). 210mm long, 30mm wide, 25mm high. |
Unused old stock | 1.10 |
| PS152 |
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Battery Holder for 4 D type batteries
(U2 etc). RS type 488-961 140mm long, 70mm wide, 27mm high. |
Unused old stock | 1.10 |
| Mains Power Supplies | ||||
| PS181 |
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Mains Power Supply +25V and -25V at 1.5/2A. Unregulated
Linear RS type 591-843. Size 160 x 100 x 57mm.
Input 115 or 230v nominal. Continuous rating 1.5A, 2.5A peak at 0 to 40oC
ambient. Screw terminals, fused output. Unused in original
boxes. Tested.
Current RS price is £77 each. See Data Sheet
HERE for full details. |
Unused old stock | 24.00 |
| PS186 |
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15V 1.2A dc Power Supply. Sunny
SYS1089-1815-T3. Input 100-240V 50/60Hz to IEC fixed
connector. Output 5.5mm diameter via 1.7m long flex. Boxed and tested |
New
Old Stock |
4.50 |
| DC-DC Power Supplies DC to DC Converters | ||||
| PS201 |
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DC to DC Converter. 24V to 2 x 15v at 500mA. Gardners NV7358.
80 x 50 x 40mm. 0.34 kg. |
Unused old stock | 16.00 |
| PS202 |
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DC to DC Converter, 12V to 12V 1A. Modular Power Ltd type KLSI12 12S1000. Regulates from 10 to 15V input. Tested and has a highly stabilised output within 10mV for load or input voltage. 89 x 39 x 65mm. PCB mounting. | New Old Stock | 17.00 |
| PS204 | . |
PM871 24V dc to
+12V
dc at 525mA k PM821 24V dc to 5V dc at 2A c PM923 24V dc to 12V dc at 470mA a "Packaged Power" Modules from Power Products - Computer Products Inc. |
Mostly Unused | POA from 5 GBP |
| PS206 |
 |
DC to DC Converter. Gardners NV7650. Input 40-60V. Outputs +5V, 2A; +12V, 1A; -12V, 1A. 115 x 70 x 52mm. |
Unused old stock | 16.00 |
| PS207 | . |
DC to DC Converter Module
5V to isolated +6
to +20V at 0-50mA. Electroplan 14-12. 63 x 31 x 14mm. 7 gold plated pins for plug-in application. Each output is adjustable over the range by an external 820 to 15,000 ohm resistor. |
Unused old stock | 9.00 |
| PS208 | . | 5V to +12V at 10 to 100mA DC to DC Converter Module . RS type 591-506 a | Unused old stock | 10.00 |
| PS209 | . | 24V to 12V DC at 412mA
Coutant CE923 DC to DC Converter Module. Rebranded PM923 modules h |
Unused old stock | 12.00 |
| Mains Transformers are now on a separate page. HERE | ||||
Last update: December 25, 2024
UK, Vintage Electronics, Test Equipment, Industrial, Scientific, Valves, Roehren, Lampes, Vacuum Tubes, Meters, Optical, Books, Radio, Wireless, Components, Resistors, Capacitors, Inductors, Transformers, Fibre Optics, Transducers, Connectors, Cables. Antique radios, Surplus equipment. New Old Stock. Manuals:- Hewlett Packard, Marconi, Tektronix, AVO Radio Television TV Repair and Maintenance