| Cat No. |
Click images for
larger pictures |
Description |
Condition |
Price
GBP |
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SWITCHES, KNOBS and MECHANICAL |
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GBP |
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Multi-turn Knobs and Dials are in the
Potentiometer section. |
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HW102 |
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Colet Knob for 6mm shafts. Black 37mm
diameter. Plug in pointer also available at an extra 0.05
each. |
New old stock |
0.15 |
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HW103 |
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Push-on
Knob for flatted 0.25" shafts.
20mm skirt tapering to 15mm. 20mm tall
Various coloured top inserts available.
Underside View. |
New old stock |
0.25 |
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HW104 |
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Pointer Knob
for 0.25" shaft. Less securing nut/screw.
22mm skirt, 18mm tall. Flat, 18mm
x 10mm.
NO grub screw or nut supplied.
Underside View. |
New old stock |
0.10 |
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HW117 |
. |
Colet Knob for 1/4 inch, 6.35mm shafts. Berco type MOU229.
Black 57mm diameter.
Metal dial plates can be secured to the 3 holes at the rear. Some available
at 1.00 extra |
New old stock |
3.10 |
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HW119 |
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Colet Knob, "Ultra Dial
28 BTĒ SGDC. French?
75mm diameter. With slow motion drive
- not working.
One only Underside view. Possibly incomplete.
 |
Used |
4.30 |
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HW143 |
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Nylon Drive Cord. "Dial
Cord"
0.8mm diameter.
Multi-stranded core with woven outer sheath. The
weave of the sheath ensures good grip on pulleys - see detailed
picture below.
 |
Old stock |
0.50
per metre |
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HW145 |
. |
Lacing Cord.
Black as used in Military and Test
equipments in the 1950s and 1960s. |
Old stock |
0.50
per metre |
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HW201 |
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Hand Wheel - threaded knob.
31mm overall diameter, 20mm deep. M6 brass
thread.
Side view |
New old stock |
0.90 |
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HW211 |
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Pair Imhof Handles. Plated
Steel. 90mm centres, 50mm stand off.
Unused but some may have light rusting on threads. |
New old stock |
2.50
pair |
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HW252 |
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Capacitor Clip 30mm.
10mm band, 45mm between mounting holes.
Farnell DT2402 or equivalent |
New old stock |
0.30 |
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HW254 |
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Capacitor Clip 36mm.
12mm band, 50mm between mounting holes. |
New old stock |
0.30 |
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HW257 |
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Capacitor Clip 30mm.
25mm band, 65mm between mounting holes.
RS 543-490. |
New old stock |
0.95 |
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HEAT SINKS - various
others
to be listed - enquiries welcome meanwhile!.. |
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HS125 |
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Heat Sink - 12 finned.
165 x 58 x 150mm Plain aluminium, undrilled.
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New old stock |
9.60 |
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HS225 |
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Heat Sink.
20 x 20 x 20mm. |
New old stock |
0.75 |
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HS227 |
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Heat Sink. RS type 401-863, Fischer FK22SA or equivalent.
25 x 12 x 30mm. With PCB lugs. |
New old stock |
0.80 |
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HS326 |
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Heat Sink, TO5 push-on |
New old stock |
0.70 |
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SWITCHES |
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Slide Switches |
| SW101 |
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Slide Switch 2p 2w, RS or equiv..
35 x 17mm. Holes 28mm centres |
New old stock |
1.90 |
| SW102 |
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Slide Switch 3 position, 2p 3w. RS
334-101
25 x 9mm. Tapped holes 18mm
centres. 2 only |
New old stock |
2.90 |
| SW103 |
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Slide Switch 6 pole 3w. SS63DO1G12.
025-630121-000
24 connections. Probably Sony or Hitachi.
32 x 9.5 mm. Tapped holes 25.4 mm centres.
For connection details, see HERE.
(80kB pdf) |
New old stock |
2.90 |
| SW104 |
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Slide Switch Two separate switches. 3
position and dual 4 position.
3 position is 3 make pairs. The 4 position is two
1p 4w switches either of which is operated by the single slide control with
2 balnk positions between the two 4 way operations.
96 x 9.2mm. 90mm between the tapped holes
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New old stock |
2.90 |
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Push Button Switches and Push Switches |
| SW121 |
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Miniature 1pole Switch. Circuit board
mounting snap action, normally open. 6 mm square 5mm high. 4 legs. |
New old stock |
0.12 |
| SW123 |
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Push Switch 4 gang 2p 2w (each).
PCB or solder connection. Independent operation - push on - push off
Unused but cleaning advisable before use. |
New old stock |
0.80 |
| SW124 |
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Push Switch
5 gang
4p 2w (each).
PCB
or solder connection. Pushing one releases other(s).
Unused but cleaning advisable before use. |
New old stock |
0.80 |
| SW124W |
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Push Switch
5 gang
4p 2w (each).
PCB
or solder connection. Pushing one releases other(s).
As SW154 but with wires attached ready for manufacture.
Unused but cleaning advisable before use. |
New old stock |
0.75 |
| SW125 |
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Push Switch
3 gang 2p 2w (each). With buttons
PCB
or solder connection. Independent push-on, push-off action.
Unused but cleaning advisable before use. |
New old stock |
0.80 |
| SW126 |
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Push Switch
2 gang 2p 2w (each).
PCB
or solder connection. Independent push-on, push-off action.
Unused but cleaning advisable before use. |
New old stock |
0.45 |
| SW126W |
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Push Switch
2 gang 2p 2w (each).
PCB
or solder connection. Independent push-on, push-off action.
As SW156 but with wires attached ready for manufacture.
Unused but cleaning advisable before use. |
New old stock |
0.35 |
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SW127 |
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Push Switch 2p 2w
.
Independent Push-on Push-off switches.
PCB or solder connection. Light storage marks on some on the
metalwork.
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New old stock |
0.20
10 for 1.20 |
| SW141 |
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Push Button 10F/1786. 1m 1b. 2
only.
Can be taken apart to clean. |
Unused |
8.00 |
| SW145 |
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Push Switch.
1p make 1p break. 250v a.c.
Clips into a 26 x 22 mm panel hole. |
New old stock |
0.30 |
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Toggle Switches, Rocker Switches and Lever Switches |
| SW162 |
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Toggle Switch 2p 2w. Ex Equipment, some have
removable paint on toggles. |
Used |
0.40 |
| SW163 |
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Toggle Switch 2p 2w.
Ex Equipment |
Used |
0.40 |
| SW164 |
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Small Toggle Switch 4p 2w. |
New old stock |
3.50 |
| SW165 |
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Small Toggle Switch 4p 2w with centre off position. |
New old stock |
3.50 |
| SW172 |
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Toggle Switch 10F/10338 1m 1b
Can be taken apart to clean. |
Unused |
8.00 |
| SW173 |
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Momentary Action 5C/1226. Rotax 20A
D5507.
1 only Rear cover has slight chip and crack. |
Used |
2.50 |
| SW174 |
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Toggle Switch 10F/1211. 2p c/o. |
Used |
2.00 |
| SW184 |
. |
Rocker Switch with Circuit
Breaker. RS Type 336-775.
Thermal Magnetic Type, 1 pole
sensing, 2 pole switching.
3A at 240V ac or 48V dc. 25mm wide x 48mm high bezel. For 22 x
45mm opening. |
New old stock |
4.00 |
| SW191 |
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Rocker Switch with Neon
Indicator. Russen Berger Serie 300. On/Off single pole.
Neon with 100k series resistor for 230v ac operation.
Clips into a 28 x 22 mm panel hole.
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New old stock |
0.30 |
| Rotary Switches |
| SW204 |
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2p 6w Miniature. OHTO JRE 2-6.
0.4VA max. 20V max. 3.2mm shaft, 18mm long with slotted end
for screwdriver operation. |
New old stock |
2.50 |
| SW205 |
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Wafer Switch 5pole 3 way. AB type
"H" . Front wafer 2 pole, rear wafer 3 pole. With bracket. 153mm overall.
Wafer spacing 94mm. Wafer shaft 6.3 x 4.7 mm. Knob shaft 6.3mm
(0.25") x 18mm. |
New old stock |
2.50 |
| SW206 |
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Wafer plus Mains Switch. Mains AB type
"AT". Wafer "E" type. Mains rated 1.5A at 250V.
1pole 3w plus 1 pole make on positions 1 and 3. 70mm overall. Flatted 0.25"
knob shaft x 25mm long. |
New old stock |
4.50 |
| SW207 |
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Wafer Switch 4pole 5 way.
Diamond H. Old
stock. 40mm diameter.
No mounting nut. 2 only left. |
New old stock |
0.55 |
| SW208 |
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Wafer Switch NSF 2p 4w.
Used with 2 sets Precision resistors - 1k9, 2k5, 6k6
and 4k7 wired in series with a dummy wafer at rear. |
Ex equip. |
0.30 |
| SW210 |
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Plessey Paxolin Wafers.
Old stock. These are the basic wafers to
construct switches. They use mounting holes spaced 29mm between
centres and have a 6 x 2mm slot for the control shaft. Some have light tarnishing
of the silver-plated contacts but this clears with operation.
Available as:-
1pole 12way make before break (MBB), 2p 6w MBB and BBM, 3p 5w MBB, 4p
4w MBB, 5p 3w MBB and BBM, 6p 2w MBB and BBM.
Useful as replacement or new switch building. |
Unused old stock |
0.20 |
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SW231 |
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Plessey 40mm PrintSwitch
Kit. A kit of parts for making up to 10 switches with
a total of 50 wafers. With instructions, parts and tools in a carry case.
Unused and complete. 25 gold-plated wafers with pin terminations and
25 with edge connectors/solder connections.
Wafers are designed to be strategically drilled so as to provide simple or
complex switching. Make and break patterns may be mixed on the same wafer.
See pictures for further information.
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New old stock |
90.00 |
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Edge Switches and Miscellaneous Switches |
| SW351 |
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Edge Switch BCD Coded 0-14 1p 16
way. 4 line output.
12 x 82 x 58 mm. Panel cut-out of 46mm approx.
Edge cheeks available in pairs as shown at 0.50 per pair.
Requires M3 or 6BA studding to hold switch banks together. |
Unused |
2.00
per switch
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| SW375 |
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Leaf Switch. Single pole. As used in
recorders etc. Useful as a model railway track switch, door closure switch,
and other low voltage uses. Employs crossed edges to minimise resistance and
maximise reliability. Normally open. 8x4mm mounting base, 20mm over switch, 3mm
deep. |
New old stock |
0.10
10 for 0.50 |
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INDUSTRIAL PANEL
SWITCHES AND INDICATORS |
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PAN1010 |
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Panel Switch. Telemechanique XB2.M ZB2 RA91.
1m 1b pair.
600V up to 6A. Various ratings.
35mm bezel, 55mm behind panel, 42 x 42 x 66mm overall.
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Used |
4.00 |
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PAN1012 |
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Key operated Panel Switch. 3 position centre off, 2m 1break pair on
each turn. Brookhirst Igranic 600V
35mm bezel, 75mm behind panel, 52 x 46 x
111mm overall.
One only |
Used |
6.00 |
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PAN1021 |
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Panel Switch. 1 pole Change over.
EAO type 03-111-011 Elektro-Apparatebau Olten (EAO) Switzerland
Bezel 48mm x 24mm. Fits 42 x 22mm panel cut-out. 80 mm deep.
Various legends and colours as available. Part numbers may vary. |
Used |
3.00 |
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PAN1022 |
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Panel Switch. 2 momentary 1 pole Change
over switches.
EAO type 03-421 Elektro-Apparatebau Olten (EAO) Switzerland
Provision for 2 side contact lamps with separate connections.
Bezel 48mm x 24mm. Fits 42 x 22mm panel cut-out. 92 mm deep.
Various legends and colours as available. Part numbers may vary. |
Used |
4.80 |
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PAN1023 |
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Panel Indicator.
EAO type 03-061-001 Elektro-Apparatebau Olten (EAO) Switzerland
Provision for 2 side contact lamps with separate connections.
Bezel 48mm x 24mm. Fits 42 x 22mm panel cut-out. 92 mm deep.
Various legends and colours as available. Part numbers may vary. |
Used |
3.00 |
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PAN1024 |
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Panel Switch. 2 latching 1 pole Change
over switches.
EAO type 03-522-011 Elektro-Apparatebau Olten (EAO) Switzerland
Provision for 2 side contact lamps with separate connections. Pushing one
releases other.
Bezel 48mm x 24mm. Fits 42 x 22mm panel cut-out. 67 mm deep.
Various legends and colours as available. Part numbers may vary. |
Used |
5.00 |
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PAN1025 |
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Panel Audible Alarm. 24V dc.
Buzzer - operates from 12V+.
Bezel 48mm x 24mm. Fits 42 x 22mm panel cut-out. 90 mm deep. |
Used |
8.00 |
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PAN1026 |
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Panel Panic Switch. 2 pole Change
over switches.
Latches if key removed, only reset using key.
EAO type 03-199 Elektro-Apparatebau Olten (EAO) Switzerland
Provision for 2 side contact lamps with separate connections.
Bezel 48mm x 24mm. Fits 42 x 22mm panel cut-out. 92 mm deep. |
Used |
8.00 |
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Various EAO 03 series may be available.
EAO International have the 03 series of indicators and switches available as
current items. See
HERE |
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MISCELLANEOUS
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GBP |
| M20 |
. |
Graph Paper
- Cartridge paper. A4 Assorted Log and Linear 200
sheets minimum.
Other sizes available - please enquire, |
New old stock |
2.00 |
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M111 |
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Compression Gland M25.
For 25mm diameter panel hole.
Nuts and body 28mm across flats.
For cables of up to approximately 18mm diameter |
Unused old stock |
0.20 |
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M112 |
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Compression Gland M50.
For 50mm diameter panel hole.
Nuts and body 60mm across flats.
For cables of up to approximately 30mm diameter |
Unused old stock |
1.20 |
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M121 |
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Ceramic Feed Through - Insulator. With threaded
tube and "nut".
27mm diameter. Threaded section 21mm diameter, 11mm diameter hole.
27mm overall length. |
Unused old stock |
1.20 |
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M312 |
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Dual in Line DIP
Prototyping Board. "Veroboard".
Vero Part No 11822. 0.1 inch pitch holes.
Genuine original Vero Board from Vero Electronics.
With 43 way gold-plated edge connector.
With a layout sheet for design. 113 x 164mm |
Unused old stock |
6.20 |
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M314 |
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Prototyping Board. "Veroboard"
Genuine original Vero Board from Vero Electronics.
With 24 way gold-plated edge connector. 95 x 94mm |
Unused old stock |
5.20 |
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M315 |
Similar
to M314 |
Prototyping Board.
"Veroboard"
Genuine original Vero Board from Vero Electronics.
With 32 way gold-plated edge connector. 95 x 130mm |
Unused old stock |
7.20 |
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M317 |
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"Veroboard"
Prototype Board Perforated paxolin. code 01-0043H.
38 Copper strips along the length on one side.
Genuine original Vero Board from Vero
Electronics.
454 x 119mm. Holes 2.54mm (0.1")
apart.
38 holes across 177 along - some 6,700 holes!
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Unused old stock |
9.20 |
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OP101 |


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Research Microscope, Binocular Reichert.
With Imanco motorised stage.
Ex metallurgical laboratory
- Objectives 32/0,55 210/0np
- 12,5/-
-
Plan 3,2/0,08
210/-
- Plan 2,5/0,08 160/-
-
Plan Oil 100/1,25 210/0
- Epi 32/0,55 210/0
Qty 2
-
Epi 6,3/0.15
210/0
- Fluor 63/0,9 210/0
-
Plan 1/0,04
160/-
- Eyepieces PK 8X
Qty
2
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PK 6,3
- PK 5X
- Substage with dual stops, Polariser, Quarter wave
plate, illumination with 2 sets of 3 filters, graticules
etc. Facility for mounting
Television camera.

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Used |
Offers Invited
Cost new 50,000 GBP. |
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OP110 |
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35mm Slide Mounts 24 x 36 mm. Box of 20 GePe. Anti-Newton Glass,
plastic framed clip together can also make 24mm square aperture. Grey/White,
with metal
inserts for film retention. 2mm thick.
 |
New old stock |
2.00 per box of 20 |