Leeds Northrup

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Leeds Northrup 445846
Leeds Northrup 445846
$150.00
quality
VTG ART DECO LEEDS  NORTHRUP 0 2000 DEGREE F INDUSTRIAL FURNANCE TEMP CONTROL
VTG ART DECO LEEDS NORTHRUP 0 2000 DEGREE F INDUSTRIAL FURNANCE TEMP CONTROL
$9.99
quality
Leeds  Northrup LN Model LT 3635 Lab Standard Resistor 100 ohm calibrated
Leeds Northrup LN Model LT 3635 Lab Standard Resistor 100 ohm calibrated
$995.00
quality
VINTAGE LEEDS  NORTHRUP LN AMPLIFIER R 820 1 PROD  57258
VINTAGE LEEDS NORTHRUP LN AMPLIFIER R 820 1 PROD 57258
$50.00
quality
Leeds  Northrup Co Optical Pyrometer SN 332148
Leeds Northrup Co Optical Pyrometer SN 332148
$0.99
quality
LEEDS  NORTHRUP CO POTENTIOMETER SN 315906
LEEDS NORTHRUP CO POTENTIOMETER SN 315906
$0.99
quality
Leeds  Northrup 064146 wire size crimp tool
Leeds Northrup 064146 wire size crimp tool
$45.00
quality
NEW LEEDS  NORTHRUP CO GEAR MOTOR KCI 24 KCI24 017342 25 120 VOLT 50 60 HZ
NEW LEEDS NORTHRUP CO GEAR MOTOR KCI 24 KCI24 017342 25 120 VOLT 50 60 HZ
$39.95
quality
VINTAGE ELECTROMAX LEEDS  NORTHRUP LN AMPLIFIER
VINTAGE ELECTROMAX LEEDS NORTHRUP LN AMPLIFIER
$50.00
quality
LEEDS NORTHRUP A1A1AXA2X 12PIN PRE AMPLIFIER PCB CIRCUIT BOARD B348197
LEEDS NORTHRUP A1A1AXA2X 12PIN PRE AMPLIFIER PCB CIRCUIT BOARD B348197
$85.00
quality
Leeds  Northrup Model 8070 Standard Resistor
Leeds Northrup Model 8070 Standard Resistor
$143.65
quality
Leeds and Northrup Model 8062 resistance thermometer bridge
Leeds and Northrup Model 8062 resistance thermometer bridge
$50.00
quality
NEW Leeds  Northrup Speedomax 250 Chart Paper Roll PN 01159573 545434 G
NEW Leeds Northrup Speedomax 250 Chart Paper Roll PN 01159573 545434 G
$15.99
quality
NEW LEEDS NORTHRUP 055867 MULTIRANGE BOARD REV F AMPLIFIER SERVO D230214
NEW LEEDS NORTHRUP 055867 MULTIRANGE BOARD REV F AMPLIFIER SERVO D230214
$250.00
quality
LEEDS NORTHRUP 444508 AE0170 DRIVER BOARD AMPLIFIER SERVO D230202
LEEDS NORTHRUP 444508 AE0170 DRIVER BOARD AMPLIFIER SERVO D230202
$250.00
quality
Leeds  Northrup Model 9912 Run Up Box
Leeds Northrup Model 9912 Run Up Box
$1.99
quality
LEEDS  NORTHRUP 228261 PC BOARD
LEEDS NORTHRUP 228261 PC BOARD
$595.00
quality
Leeds Northrup Cat 8070 Resistor Standard 10ohm
Leeds Northrup Cat 8070 Resistor Standard 10ohm
$89.99
quality
LEEDS NORTHRUP 055867 MULTIRANGE BOARD REV G G1 AMPLIFIER SERVO D230183
LEEDS NORTHRUP 055867 MULTIRANGE BOARD REV G G1 AMPLIFIER SERVO D230183
$200.00
quality
LEEDS  NORTHRUP SPDT SYNCHRONOUS CONVERTER 354156
LEEDS NORTHRUP SPDT SYNCHRONOUS CONVERTER 354156
$50.00
quality
Leeds and Northrup 130031 Voltage Standard Power Supply
Leeds and Northrup 130031 Voltage Standard Power Supply
$135.00
quality
Leeds  Northrup Model 4775 Decade Resistor Box
Leeds Northrup Model 4775 Decade Resistor Box
$39.99
quality
Leeds  Northrup Co Volt Box Attenuator Cat 7592
Leeds Northrup Co Volt Box Attenuator Cat 7592
$18.00
quality
Leeds and Northrup chart paper 690112
Leeds and Northrup chart paper 690112
$5.00
quality
LEEDS  NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
LEEDS NORTHRUP LN MULTIPLE RANGE POTENTIOMETER INDICATOR
$50.00
quality
Leeds  Northrup Portable Precision Potentiometer w Directions  Note Book
Leeds Northrup Portable Precision Potentiometer w Directions Note Book
$150.00
quality
NEW LEEDS  NORTHRUP LOGIC BOARD 046263 NEW NO BOX
NEW LEEDS NORTHRUP LOGIC BOARD 046263 NEW NO BOX
$679.99
quality
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
LEEDS AND NORTHRUP 8686 IS A MILLIVOLT POTENTIOMETER
$100.00
quality
VTG LEEDS  NORTHRUP POTENTIOMETER TEMPERATURE INDICATOR SINCLAIR OIL
VTG LEEDS NORTHRUP POTENTIOMETER TEMPERATURE INDICATOR SINCLAIR OIL
$29.99
quality
Leeds Northrup 445855 Rev B 1 Mother Card A A1A1A1X
Leeds Northrup 445855 Rev B 1 Mother Card A A1A1A1X
$159.60
quality
Leeds and Northrup 445857 Rev C servo amplifier A1A1A1XA1
Leeds and Northrup 445857 Rev C servo amplifier A1A1A1XA1
$99.60
quality
INCOLN THERMAL CONVERTER CW10 LEEDS  NORTHRUP
INCOLN THERMAL CONVERTER CW10 LEEDS NORTHRUP
$99.99
quality
LEEDS AND NORTHRUP COMPANY METER TESTED IN 1969 VINTAGE
LEEDS AND NORTHRUP COMPANY METER TESTED IN 1969 VINTAGE
$40.00
quality
LEEDS NORTHRUP A1A1AX 445855 MOTHER CARD PCB CIRCUIT BOARD B1 B313095
LEEDS NORTHRUP A1A1AX 445855 MOTHER CARD PCB CIRCUIT BOARD B1 B313095
$170.00
quality
LEEDS AND NORTHRUP CONDUCTIVITY CELL 4801 10 03 11 000
LEEDS AND NORTHRUP CONDUCTIVITY CELL 4801 10 03 11 000
$50.00
quality
LEEDS  NORTHRUP 7074 71 01 606 000 USPP 70747101606000
LEEDS NORTHRUP 7074 71 01 606 000 USPP 70747101606000
$47.77
quality
LEEDS  NORTHRUP 7074 71 01 641 000 USPP 70747101641000
LEEDS NORTHRUP 7074 71 01 641 000 USPP 70747101641000
$47.77
quality
NEW LEEDS NORTHRUP 056382 PCB CIRCUIT BOARD REV A1 A D230938
NEW LEEDS NORTHRUP 056382 PCB CIRCUIT BOARD REV A1 A D230938
$80.00
quality
LOT 11 NEW LEEDS NORTHRUP 528901 RECORDER CHART PAPER D230948
LOT 11 NEW LEEDS NORTHRUP 528901 RECORDER CHART PAPER D230948
$40.00
quality
LEEDS AND NORTHRUP SPEEDOMAX RECORDER
LEEDS AND NORTHRUP SPEEDOMAX RECORDER
$1,099.99
quality
VINTAGE LEEDS  NORTHRUP SELF INDUCTANCE Tester Milli Henrys
VINTAGE LEEDS NORTHRUP SELF INDUCTANCE Tester Milli Henrys
$40.00
quality
VINTAGE LEEDS  NORTHRUP POTENTIOMETER WOODEN CASE Scintilla Bendix Sidney NY
VINTAGE LEEDS NORTHRUP POTENTIOMETER WOODEN CASE Scintilla Bendix Sidney NY
$25.99
quality
081103 MICROMAX LEEDS NORTHRUP INTERFACE CONTROLLER
081103 MICROMAX LEEDS NORTHRUP INTERFACE CONTROLLER
$199.00
quality
LEEDS  NORTHRUP Test Set Resistance Measurements Galvanometer w Wooden Box USN
LEEDS NORTHRUP Test Set Resistance Measurements Galvanometer w Wooden Box USN
$79.99
quality
Leeds  Northrup Company Catalog 40 Lot Of 2 1923 1932
Leeds Northrup Company Catalog 40 Lot Of 2 1923 1932
$35.00
quality
LEEDS  NORTHRUP ELECTROMAX 6013 3 04 1 7 00 00 100 Controller
LEEDS NORTHRUP ELECTROMAX 6013 3 04 1 7 00 00 100 Controller
$399.99
quality
LEEDS NORTHRUP 5300 RESISTENCE BRIDGE
LEEDS NORTHRUP 5300 RESISTENCE BRIDGE
$10.00
quality
NEWLeeds  Northrup Chart Recording Instrument Paper No 30678562
NEWLeeds Northrup Chart Recording Instrument Paper No 30678562
$8.00
quality
LEEDS  NORTHRUP instruments CONTROLLER general signal
LEEDS NORTHRUP instruments CONTROLLER general signal
$333.00
quality
Leeds  Northrup 063908 Point Expansion Relay Board
Leeds Northrup 063908 Point Expansion Relay Board
$449.00
quality
LEEDS  NORTHRUP 205156 USPP 205156
LEEDS NORTHRUP 205156 USPP 205156
$1,095.15
quality
LEEDS NORTHRUP ELECTRO PNEUMATIC CONVERTER TRANSDUCER B313828
LEEDS NORTHRUP ELECTRO PNEUMATIC CONVERTER TRANSDUCER B313828
$30.00
quality
Vintage Leeds  Northrup Potentiometer Indicator
Vintage Leeds Northrup Potentiometer Indicator
$19.99
quality
LEEDS  NORTHRUP CO POTENTIOMETER
LEEDS NORTHRUP CO POTENTIOMETER
$65.00
quality
electrical test equipment SIMPSONTRIPLETTUEILEEDS AND NORTHRUP
electrical test equipment SIMPSONTRIPLETTUEILEEDS AND NORTHRUP
$150.00
quality
Leeds  Northrup Co 4030 B 100 Ohms Resistor TLE2281
Leeds Northrup Co 4030 B 100 Ohms Resistor TLE2281
$125.00
quality
Leeds  Northrup Co 4223 001 Ohm Resistor TLE2283
Leeds Northrup Co 4223 001 Ohm Resistor TLE2283
$525.00
quality
Leeds  Northrup 074825 CAT Manual Station 4Amp 120 220V
Leeds Northrup 074825 CAT Manual Station 4Amp 120 220V
$50.00
quality
Honeywell Leeds  Northrup Progeny CTX Controller
Honeywell Leeds Northrup Progeny CTX Controller
$750.00
quality
LN Leeds  Northrup CAT Controller Series 80
LN Leeds Northrup CAT Controller Series 80
$119.99
quality
Leeds  Northrup Pressure Transmitter
Leeds Northrup Pressure Transmitter
$179.95
quality
Leeds  Northrup 074825 CAT Manual Station 120 220V 4A
Leeds Northrup 074825 CAT Manual Station 120 220V 4A
$49.99
quality
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
LEEDS NORTHRUP 8690 MILLIVOLT POTENTIOMETER GALVANOMETER
$40.00
quality
Leeds  Northrup Electromax Controller
Leeds Northrup Electromax Controller
$495.00
quality
LEEDS  NORTHRUP SPEEDOMAX H CHART PAPER GENERAL STRIP SA1
LEEDS NORTHRUP SPEEDOMAX H CHART PAPER GENERAL STRIP SA1
$16.14
quality
LEEDS  NORTHRUP 9912 RUN UP BOX
LEEDS NORTHRUP 9912 RUN UP BOX
$150.00
quality
LEEDS  NORTHRUP 074427 USPP 074427
LEEDS NORTHRUP 074427 USPP 074427
$393.75
quality
Leeds  Northrup 660912 Speedomax H Chart Paper
Leeds Northrup 660912 Speedomax H Chart Paper
$13.95
quality
 Leeds Northrup Vintage VOLTAGE STANDARD 1176957
Leeds Northrup Vintage VOLTAGE STANDARD 1176957
$349.99
quality
Leeds  Northrup PCB 234435
Leeds Northrup PCB 234435
$125.00
quality
Leeds  Northrup PCB 196443
Leeds Northrup PCB 196443
$100.00
quality
Leeds  Northrup 1064766 Standard Resistor 1000 Ohm TESTED
Leeds Northrup 1064766 Standard Resistor 1000 Ohm TESTED
$99.99
quality
Leeds  Northrup 1500911 Standard Resistor 1000 Ohm TESTED
Leeds Northrup 1500911 Standard Resistor 1000 Ohm TESTED
$49.99
quality
Leeds  Northrup Model 8692 Temperature Potentiometer
Leeds Northrup Model 8692 Temperature Potentiometer
$29.99
quality
9485 Leeds  Northrup Millivolt Potentiometer LPS 11 8690 2
9485 Leeds Northrup Millivolt Potentiometer LPS 11 8690 2
$43.22
quality
LEEDS  NORTHRUP 078691 REV D
LEEDS NORTHRUP 078691 REV D
$350.00
quality
LEEDS  NORTHRUP 074427 PC BOARD
LEEDS NORTHRUP 074427 PC BOARD
$300.00
quality
LEEDS  NORTHRUP 074463 PC BOARD
LEEDS NORTHRUP 074463 PC BOARD
$285.00
quality
Leeds  Northrup Electromax Controller 4 20ma Output
Leeds Northrup Electromax Controller 4 20ma Output
$398.00
quality
NEW LEEDS  NORTHRUP PRESSURE TRANSMITTER 1151GP5E22M3B1D1 1370800
NEW LEEDS NORTHRUP PRESSURE TRANSMITTER 1151GP5E22M3B1D1 1370800
$150.00
quality
Leeds  Northrup PCB 445859
Leeds Northrup PCB 445859
$150.00
quality
Leeds  Northrup PCB 445847
Leeds Northrup PCB 445847
$350.00
quality
LEEDS  NORTHRUP 078697 ADAPTER MODULE REV A1 A1
LEEDS NORTHRUP 078697 ADAPTER MODULE REV A1 A1
$775.00
quality
LEEDS  NORTHRUP 078697 ADAPTER MODULE REVB
LEEDS NORTHRUP 078697 ADAPTER MODULE REVB
$775.00
quality
Leeds  Northrup 4040B Standard Resistor
Leeds Northrup 4040B Standard Resistor
$316.00
quality
VINTAGE LEEDS  NORTHRUP RESISTANCE BOX 4 STAGES
VINTAGE LEEDS NORTHRUP RESISTANCE BOX 4 STAGES
$50.00
quality
LEEDS  NORTHRUP 01090406 CHART PAPER NEW IN A BOX
LEEDS NORTHRUP 01090406 CHART PAPER NEW IN A BOX
$12.00
quality
LEEDS  NORTHRUP INSTRUMENTS 10970 40 NEW OUT OF BOX
LEEDS NORTHRUP INSTRUMENTS 10970 40 NEW OUT OF BOX
$280.00
quality
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
LEEDS NORTHRUP 1026710250100101 CONTROLLER USED
$250.00
quality
LEEDS  NORTHRUP 056857 REVC RELAY BOARD NEW IN BOX
LEEDS NORTHRUP 056857 REVC RELAY BOARD NEW IN BOX
$440.00
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

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