Leeds Northrup

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LEEDS  NORTHRUP RESISTORS 1 OHM F4
LEEDS NORTHRUP RESISTORS 1 OHM F4
$60.00
quality
19 LEEDS  NORTHRUP SPEEDOMAX MINI RECORDER CHART PAPER
19 LEEDS NORTHRUP SPEEDOMAX MINI RECORDER CHART PAPER
$190.00
quality
Vtg Leeds  Northrup Temperature Potentiometer 8692 Electrical Test Equipment
Vtg Leeds Northrup Temperature Potentiometer 8692 Electrical Test Equipment
$51.74
quality
Leeds Northrup Millivolt potentiometer 1120272 Oak Case nice cond un tested
Leeds Northrup Millivolt potentiometer 1120272 Oak Case nice cond un tested
$40.00
quality
Leeds Northrup volt potentiometerCat  8687 nice cond un tested
Leeds Northrup volt potentiometerCat 8687 nice cond un tested
$40.00
quality
NEW LEEDS  NORTHRUP 078160 PC BOARD
NEW LEEDS NORTHRUP 078160 PC BOARD
$750.00
quality
General Signal Leeds  Northrup 4973 1 210 7 000 Conductivity Cell NOS
General Signal Leeds Northrup 4973 1 210 7 000 Conductivity Cell NOS
$499.00
quality
LEEDS  NORTHRUP 7555 TYPE K 5 POTENTIOMETER
LEEDS NORTHRUP 7555 TYPE K 5 POTENTIOMETER
$227.65
quality
LEEDS  NORTHRUP 205465 USPP 205465
LEEDS NORTHRUP 205465 USPP 205465
$936.08
quality
LEEDS  NORTHRUP 205466 USPP 205466
LEEDS NORTHRUP 205466 USPP 205466
$931.35
quality
LEEDS  NORTHRUP 101392 USPP 101392
LEEDS NORTHRUP 101392 USPP 101392
$302.40
quality
LEEDS  NORTHRUP 9912 USPP 9912
LEEDS NORTHRUP 9912 USPP 9912
$86.10
quality
Leeds  Northrup Chart Recorder mdl 201 11 000 NN21
Leeds Northrup Chart Recorder mdl 201 11 000 NN21
$159.98
quality
Leeds  Northrup Manual 4397 M Voltage Divider Resistive Instruction Manual
Leeds Northrup Manual 4397 M Voltage Divider Resistive Instruction Manual
$20.00
quality
Leeds  Northrup 10 OHM Resistance Standard FE8
Leeds Northrup 10 OHM Resistance Standard FE8
$159.98
quality
Leeds And Northrup SlideWire Bridge CAT 4340 w Original Test Rods
Leeds And Northrup SlideWire Bridge CAT 4340 w Original Test Rods
$199.98
quality
Vintage Leeds and Northrup Potentiometer 543312
Vintage Leeds and Northrup Potentiometer 543312
$39.99
quality
Leeds  Northrup MP Converter Bd 070751
Leeds Northrup MP Converter Bd 070751
$75.00
quality
Leeds  Northrup Resistors 2 001 3 01 and l 200 OHMS l 100 OHMD l 400 OHMS
Leeds Northrup Resistors 2 001 3 01 and l 200 OHMS l 100 OHMD l 400 OHMS
$400.00
quality
Leeds  Northrup LN 2430 E light beam galvanometer
Leeds Northrup LN 2430 E light beam galvanometer
$195.00
quality
Leeds  Northrup 650062 Range Card 0 to 2491 mv
Leeds Northrup 650062 Range Card 0 to 2491 mv
$4.50
quality
LEEDS  NORTHRUP HONEYWELL 063218 KEYBOARD INTERFACE ASSEMBLY XLNT
LEEDS NORTHRUP HONEYWELL 063218 KEYBOARD INTERFACE ASSEMBLY XLNT
$350.00
quality
LEEDS  NORTHRUP 4725 VINTAGE OPEN DIAL WHEATSTONE BRIDGE
LEEDS NORTHRUP 4725 VINTAGE OPEN DIAL WHEATSTONE BRIDGE
$175.00
quality
LEEDS NORTHRUP CAT 4393 UNIVERSAL RATIO SET
LEEDS NORTHRUP CAT 4393 UNIVERSAL RATIO SET
$225.00
quality
LEEDS  NORTHRUP SILSBEE CURRENT TRANSFORMER TESTING SET 7150
LEEDS NORTHRUP SILSBEE CURRENT TRANSFORMER TESTING SET 7150
$275.00
quality
Vintage and Rare Leeds  Northrup Voltmeter NR
Vintage and Rare Leeds Northrup Voltmeter NR
$29.00
quality
LEEDS NORTHRUP METER UNKNOWN CONDITION OR MODEL
LEEDS NORTHRUP METER UNKNOWN CONDITION OR MODEL
$45.00
quality
LN Leeds  Northrup 4222 001 Ohm 10 milliohm Standard Resistor
LN Leeds Northrup 4222 001 Ohm 10 milliohm Standard Resistor
$495.00
quality
LN Leeds  Northrup 4222B 001 Ohm Standard Resistor
LN Leeds Northrup 4222B 001 Ohm Standard Resistor
$495.00
quality
LEEDS NORTHRUP 445891 REV F PCB CIRCUIT BOARD D465341
LEEDS NORTHRUP 445891 REV F PCB CIRCUIT BOARD D465341
$33.53
quality
LEEDS NORTHRUP 445857 A1A1A1XA1 PCB CIRCUIT BOARD D513800
LEEDS NORTHRUP 445857 A1A1A1XA1 PCB CIRCUIT BOARD D513800
$40.33
quality
NEW LEEDS NORTHRUP A1A2A1X 445860 REV E PCB CIRCUIT BOARD D464335
NEW LEEDS NORTHRUP A1A2A1X 445860 REV E PCB CIRCUIT BOARD D464335
$116.53
quality
LEEDS NORTHRUP 4973 10 305 1 000 CONDUCTIVITY CELL WITH TEMP COMPENSATOR D512592
LEEDS NORTHRUP 4973 10 305 1 000 CONDUCTIVITY CELL WITH TEMP COMPENSATOR D512592
$33.33
quality
LEEDS  NORTHRUP Resistance Decacde 4776 Resistor Box 160699
LEEDS NORTHRUP Resistance Decacde 4776 Resistor Box 160699
$199.00
quality
Leeds  Northrup Regulated Voltage Power Supply 099012 Reconditioned Made USA
Leeds Northrup Regulated Voltage Power Supply 099012 Reconditioned Made USA
$6.50
quality
Leeds  Northrup 4735 1 Guarded Wheatstone Bridge Rack Mount
Leeds Northrup 4735 1 Guarded Wheatstone Bridge Rack Mount
$99.95
quality
LEEDS  NORTHRUP SPEEDOMAX CHART RECORDER 545026
LEEDS NORTHRUP SPEEDOMAX CHART RECORDER 545026
$399.99
quality
Leeds Northrup 10548213 Green Markers Lot of 30
Leeds Northrup 10548213 Green Markers Lot of 30
$25.00
quality
LEEDS  NORTHRUP 7082 19 USPP 708219
LEEDS NORTHRUP 7082 19 USPP 708219
$1,116.15
quality
LEEDS NORTHRUP 046280 8544 REV C PCB CIRCUIT BOARD D465586
LEEDS NORTHRUP 046280 8544 REV C PCB CIRCUIT BOARD D465586
$118.53
quality
Leeds  Northrup 8064 A 8064 2 A2 8064 3 A3 Thermometer Bridge Manual
Leeds Northrup 8064 A 8064 2 A2 8064 3 A3 Thermometer Bridge Manual
$25.00
quality
Vintage Leeds  Northrup Potentiometer Indicator
Vintage Leeds Northrup Potentiometer Indicator
$40.00
quality
Leeds  Northrup 8064 8064 A Resistance Thermometer Bridge Direction Op Manual
Leeds Northrup 8064 8064 A Resistance Thermometer Bridge Direction Op Manual
$20.00
quality
Leeds Northrup 4973 01 305 1 000 Cell Conductivity Transmitter Box6B
Leeds Northrup 4973 01 305 1 000 Cell Conductivity Transmitter Box6B
$34.99
quality
Leeds Northrup 10548189 Blue Markers Lot of 30
Leeds Northrup 10548189 Blue Markers Lot of 30
$25.00
quality
Vintage Leeds Northrup potentiometer model 782646 wooden box tester free ship
Vintage Leeds Northrup potentiometer model 782646 wooden box tester free ship
$89.99
quality
LEEDS NORTHRUP 444347 7952 3 REV G PCB CIRCUIT BOARD D465786
LEEDS NORTHRUP 444347 7952 3 REV G PCB CIRCUIT BOARD D465786
$118.53
quality
GENTLY USED LEEDS  NORTHRUP 10 Ohm RESISTANCE STANDARD 1578936 TESTED
GENTLY USED LEEDS NORTHRUP 10 Ohm RESISTANCE STANDARD 1578936 TESTED
$395.00
quality
USED LEEDS  NORTHRUP 10000 Ohm RESISTANCE STANDARD 10KOhm1566917 TESTED
USED LEEDS NORTHRUP 10000 Ohm RESISTANCE STANDARD 10KOhm1566917 TESTED
$425.00
quality
LEEDS NORTHRUP 444736 7747 REV D PCB CIRCUIT BOARD D465859
LEEDS NORTHRUP 444736 7747 REV D PCB CIRCUIT BOARD D465859
$95.53
quality
Leeds and Northrup 821 B S Current Transmitter
Leeds and Northrup 821 B S Current Transmitter
$25.00
quality
LEEDS  NORTHRUP  2PHASE INDUCTION MOTOR  153132
LEEDS NORTHRUP 2PHASE INDUCTION MOTOR 153132
$99.99
quality
LEEDS  NORTHRUP 117034 NSFP 117034
LEEDS NORTHRUP 117034 NSFP 117034
$82.95
quality
LEEDS  NORTHRUP 4221 1 OHM STANDARD RESISTOR
LEEDS NORTHRUP 4221 1 OHM STANDARD RESISTOR
$690.00
quality
Leeds  Northrup 099246
Leeds Northrup 099246
$225.00
quality
LEEDS NORTHRUP 074389 NEW IN A BOX
LEEDS NORTHRUP 074389 NEW IN A BOX
$100.00
quality
LEEDS  NORTHRUP Model 4232 PRECISION GUARDED WHEATSTONE BRIDGE
LEEDS NORTHRUP Model 4232 PRECISION GUARDED WHEATSTONE BRIDGE
$225.00
quality
VINTAGE LEEDS  NORTHRUP 7553 TYPE K3 UNIVERSAL POTENTIOMETER
VINTAGE LEEDS NORTHRUP 7553 TYPE K3 UNIVERSAL POTENTIOMETER
$125.00
quality
LEEDS NORTHRUP 7075 9 100 120 002 000 USED
LEEDS NORTHRUP 7075 9 100 120 002 000 USED
$300.00
quality
LEEDS  NORTHRUP LN Model 9876 m DC POWER SUPPLY
LEEDS NORTHRUP LN Model 9876 m DC POWER SUPPLY
$40.00
quality
LEEDS NORTHRUP 4905 25 44 073 7 PLAT CONDUCTIVITY CELL
LEEDS NORTHRUP 4905 25 44 073 7 PLAT CONDUCTIVITY CELL
$99.99
quality
Vintage Leeds  Northrup Potentiometer Indicator
Vintage Leeds Northrup Potentiometer Indicator
$173.42
quality
Leeds  Northrup 4775 Calibrator Tester Quality Vintage Laboratory Equipment
Leeds Northrup 4775 Calibrator Tester Quality Vintage Laboratory Equipment
$69.99
quality
Leeds  Northrup 195003 SpeedOMax W Chart Paper
Leeds Northrup 195003 SpeedOMax W Chart Paper
$12.99
quality
Vintage Leeds  Northrup Galvanometer Cat 2239 DO
Vintage Leeds Northrup Galvanometer Cat 2239 DO
$24.95
quality
LEEDS  NORTHRUP  ELECTROMAX CONTROLLER  056098 REV FIF
LEEDS NORTHRUP ELECTROMAX CONTROLLER 056098 REV FIF
$299.99
quality
LEEDS  NORTHRUP 444508 94V 0 NAPC 2A 8347T DRIVER BOARD AMPLIFIER
LEEDS NORTHRUP 444508 94V 0 NAPC 2A 8347T DRIVER BOARD AMPLIFIER
$495.00
quality
Leeds  Northrup Electromax Controller 6011 3 04 1 7 40 00 100 110
Leeds Northrup Electromax Controller 6011 3 04 1 7 40 00 100 110
$295.00
quality
Leeds  Northrup 7082 10 PH Analyzer ELE2911
Leeds Northrup 7082 10 PH Analyzer ELE2911
$475.00
quality
Vintage Leeds  Northrup Cat 4755 AC DC Decade Resistor USED FREE SHIPPING
Vintage Leeds Northrup Cat 4755 AC DC Decade Resistor USED FREE SHIPPING
$59.99
quality
Leeds  Northrup 7555 7555 1  Type K 5 Potentiometer Calibration Procedure
Leeds Northrup 7555 7555 1 Type K 5 Potentiometer Calibration Procedure
$20.00
quality
LEEDS NORTHRUP LN MODEL 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
LEEDS NORTHRUP LN MODEL 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
$34.00
quality
Leeds  Northrup 7591 Volt Box Potentiometer
Leeds Northrup 7591 Volt Box Potentiometer
$24.50
quality
LEEDS  NORTHRUP SPEEDOMAX RECORDER 610002 TC TYPE K
LEEDS NORTHRUP SPEEDOMAX RECORDER 610002 TC TYPE K
$395.00
quality
Leeds  Northrup Controller 6432 4 4001 802 3 20 802 Used 31716
Leeds Northrup Controller 6432 4 4001 802 3 20 802 Used 31716
$200.00
quality
Leeds and Northrup A19 030219 100460 CBR0215
Leeds and Northrup A19 030219 100460 CBR0215
$295.00
quality
LEEDS  NORTHRUP 7623 USPP 7623
LEEDS NORTHRUP 7623 USPP 7623
$200.03
quality
LEEDS  NORTHRUP 1199 34 USPP 119934
LEEDS NORTHRUP 1199 34 USPP 119934
$66.15
quality
Leeds Northrup Interface Board 205176
Leeds Northrup Interface Board 205176
$198.00
quality
TM 4200 LEEDS AND NORTHRUP CAT  2610 100 11 0 01 000 TRANSMITTER
TM 4200 LEEDS AND NORTHRUP CAT 2610 100 11 0 01 000 TRANSMITTER
$49.00
quality
Leeds Northrup PA Interface 205221
Leeds Northrup PA Interface 205221
$249.00
quality
Leeds Northrup PA Interface 205221
Leeds Northrup PA Interface 205221
$249.00
quality
Leeds Northrup Logic CD Board 201176
Leeds Northrup Logic CD Board 201176
$695.00
quality
Leeds Northrup Circuit Board 064556 9014008 A18
Leeds Northrup Circuit Board 064556 9014008 A18
$495.00
quality
Leeds and Northrup Company 4905 Series Conductivity Cell 4905 50 44 088 7
Leeds and Northrup Company 4905 Series Conductivity Cell 4905 50 44 088 7
$149.00
quality
LEEDS  NORTHRUP UDA2182 CC1 NN 2NNN USPP UDA2182CC1NN2NNN
LEEDS NORTHRUP UDA2182 CC1 NN 2NNN USPP UDA2182CC1NN2NNN
$1,158.15
quality
Leeds  Northrup Processor Data PC Board A18 054906
Leeds Northrup Processor Data PC Board A18 054906
$395.00
quality
Leeds Northrup Mini Station Board A9 030289
Leeds Northrup Mini Station Board A9 030289
$295.00
quality
Leeds and Northrup Conductivity Cell 4905 Series 4905 1 44 092 7
Leeds and Northrup Conductivity Cell 4905 Series 4905 1 44 092 7
$149.00
quality
Leeds Northrup Adjusting Current Board A3 054907
Leeds Northrup Adjusting Current Board A3 054907
$295.00
quality
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Leeds Northrup

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All My STUFF !!!!!!!!!!!!! Part 18

History Of UK Car Registrations

Number Plate History
brief history of the u.k. car number plate system
"The Motor Car Act 1903" started everything off .It said that every car had to be registered with a county council or county borough council, and every car had to display a unique identifying number issued to them by such a council .
Initially each council was issued one letter to use on the number plates , they could not have known how popular the motor car was to become and as the number of cars increased they quickly ran out of combinations ,so they started to use two and then three letter combinations.
By 1963 several councils were close to the end of their allocation, so a 7th digit was added to the Number Plate System. This extra digit was a letter ,so post 1963 numbers had three letters then a space then up to 3 numbers and then another letter this last letter gave the age of the car.
Suffix Number Plate System
The Suffix Number Plate System
Table of "Age identifier " Suffix Letters.
A 1 Jan 63 - 31 Dec 63 H 1 Aug 69 - 31 Jul 70 R 1 Aug 76 - 31 Jul 77
B 1 Jan 64 - 31 Dec 64 J 1 Aug 70 - 31 Jul 71 S 1 Aug 77 - 31 Jul 78
C 1 Jan 65 - 31 Dec 65 K 1 Aug 71 - 31 Jul 72 T 1 Aug 78 - 31 Jul 79
D 1 Jan 66 - 31 Dec 66 L 1 Aug 72 - 31 Jul 73 V 1 Aug 79 - 31 Jul 80
E 1 Jan 67 - 31 Jul 67 M 1 Aug 73 - 31 Jul 74 W 1 Aug 80 - 31 Jul 81
F 1 Aug 67 - 31 Jul 68 N 1 Aug 74 - 31 Jul 75 X 1 Aug 81 - 31 Jul 82
G 1 Aug 68 - 31 Jul 69 P 1 Aug 75 - 31 Jul 76 Y 1 Aug 82 - 31 Jul 83
You may notice that a further complication to the number system came in 1967 when , under pressure from the motor car industry the changeover date was moved to August in an attempt to smooth out new car puchasing by the public.
It may also be noted that the letters I and Z ( used for N.Ireland) are missing as are Q ( reserved for kit cars and repaired write offs etc) and the letter U ( reason unknown).

The letters I Q Z O and U were never used as a suffix letter in fact I Q and Z were never used at all.
By 1983 they faced the same problem but deftly extended the system by reversing the number plate giving a letter first then up to 3 numbers then a space then 3 more letters. The first letter now gave the age of the car.
Prefix number plate system
The Prefix Number Plate System
Table of "Age identifier " Prefix Letters.
A 1 Aug 83 - 31 Jul 84 H 1 Aug 90 - 31 Jul 91 R 1 Aug 97 - 31 Jul 98
B 1 Aug 84 - 31 Jul 85 J 1 Aug 91 - 31 Jul 92 S 1 Aug 98 - 28 Feb 99
C 1 Aug 85 - 31 Jul 86 K 1 Aug 92 - 31 Jul 93 T 1 Mar 99 - 31 Aug 99
D 1 Aug 86 - 31 Jul 87 L 1 Aug 93 - 31 Jul 94 V 1 Sep 99 - 29 Feb 00
E 1 Aug 87 - 31 Jul 88 M 1 Aug 94 - 31 Jul 95 W 1 Mar 00 - 31 Aug 00
F 1 Aug 88 - 31 Jul 89 N 1 Aug 95 - 31 Jul 96 X 1 Sep 00 - 28 Feb 01
G 1 Aug 89 - 31 Jul 90 P 1 Aug 96 - 31 Jul 97 Y 1 Mar 01 - 31 Aug 01
It may be noted that the letters I and Z ( used for N.Ireland) are missing as are Q ( reserved for kit cars and repaired write offs etc) and the letter U ( reason unknown).

By 2001 the problem was looming again and the current system was introduced. Now each number plate has 7 digits and the first two letters give the region of the country where the car was first registered, followed by two numbers which give the age of the car and then three random letters . An example of this could be NE51 XXX. The NE tells you the car is from the North East of England (a table of these region identifiers is below ). The 51 tells you it was registered in September 2001 and the last three letters mean nothing.
Current Number Plate system
Current U.K. Number Plates System
The first two digits of each car registration denote the area of the country where the vehicle was first registered.
First Letter Issuing office Second Letter Possibilities
A Peterborough A B C D E F G H J K L M N
Norwich O P R S T U
Ipswich V W X Y
B Birmingham A - Y
C Cardiff A B C D E F G H J K L M N O
Swansea P R S T U V
Bangor W X Y
D Chester A B C D E F G H J K
Shrewsbury L M N O P R S T U V W X Y
E Chelmsford A - Y
F Nottingham A B C D E F G H J K L M N P
Lincoln R S T V W X Y
G Maidstone A B C D E F G H J K L M N O
Brighton P R S T U V W X Y
H Bournemouth A B C D E F G H J
Portsmouth K L M N O P R S T U V W X Y
HW Reserved for the Isle of Wight
K Luton A B C D E F G H J K L
Northampton M N O P R S T U V W X Y
L Wimbledon A B C D E F G H J
Stanmore K L M N O P R S T
Sidcup U V W X Y
M Manchester A - Y
N Newcastle A B C D E G H J K L M N O
Stockton P R S T U V W X Y
O Oxford A - Y
P Preston A B C D E F G H J K L M N O P R S T
Carlisle U V W X Y
R Reading A - Y
S Glasgow A B C D E F G H J
Edinburgh K L M N O
Dundee P R S T
Aberdeen U V W
Inverness X Y
V Worcester A - Y
W Exeter A B C D E F G H J
Truro K L
Bristol M N O P R S T U V W X Y
Y Leeds A B C D E F G H J K
Sheffield L M N O P R S T U
Beverley V W X YHave a look at my historic rally blog :-
More Historic Rally Information

My business website :-
Private Number Plates

Article Source: http://www.simplysearch4it.com/article/49544.html
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