Thornton
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Standard Patterns

PIC F3641


Front:
Back:
Cursor:
Case:

12.5cm (5”)
|A [B,CI,C] D ||



#Discontinued 1953






PIC 3654
(1947)


Front:
Back:
Cursor:
Case:


27cm // A [B,CI,C] D \\ 10” (unlabelled)
[S,L,T]
PC7
Green branded


PIC 3654



PIC 3654
(1951)

Size
Front:
Back:
Cursor:
Case:

25cm (10”)
27cm // A [B,CI,C] D \\ 10” (unlabelled)
[S,L,T]
PC7
Green diamond



PIC3654



PIC F3654/PC8
(1958)

Front:
Back:
Cursor:
Case:

27cm // A [B,RC,C] D \\ (unlabelled)
[S,L,T]
PC8

cf F157


F3654/PC8

PIC VP3656


Front:
Back:
Cursor:

5” version of F3654
A [ B, RC, C ] D
[ S, L, T ]


Dinsdale Catalogue 1960

PIC F3756


Front:
Back:
Cursor:

50cm (20”)
A [ B, RC, C ] D
[ S, L, T ]

References:


Links:

Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
Dinsdale catalogue 1960

PIC F137

25cm (10”

Size:
Front:
Back:
Cursor:

A [B, R, C] D
-

References:

Links:

Thornton Booklet L.194 c.1937

PIC F157/PC8 (1957)

Front:
Back:
Cursor:

27cm//A [B, R, C] D\\10”
-
PC8
cf F3654


Thornton Catalogue TC3 1956
*Own

PIC F158


A [B, R, C] D
-


Thornton Catalogue TC3 1956


Student's Patterns

PIC 3657

Front:
Back:
Cursor:

A,B,C,D (unlabelled)

1. Perspex cursor
2. Narrow PC4 cursor

(1952)


PIC 3657

PIC 3658

Front:
Back:
Cursor:

||A [B,C] D ||(unlabelled)
[S,L,T] (labelled) on reverse of slide.


PIC 3658

PIC P170

Front:
Back:
Cursor:

A [B, C] D Standard Student


Thornton Catalogue TC3 1956
Hopp (Dinsdale catalogue 1960)

PIC P171

Front:
Back:
Cursor:

A [B, C] D Standard Student


Thornton Catalogue TC3 1956
Hopp (Dinsdale catalogue 1960)

PIC P172


Log-Log Student (Differential)
LL2, A [ B, CI, ISd/ITd, Td/Sd, C ] D, LL3
PC7

(1954)

Thornton Catalogue TC3 1956
Hopp (Dinsdale catalogue 1960)
*Thornton envelope
*Own

P172E

Front:
Back:
Cursor:

*Hopp: (pp 162,228) Log-Log Student (Electrical)


Thornton Catalogue TC3 1956
Hopp (Dinsdale catalogue 1960)
*Thornton envelope




Front:
Back:
Cursor:





Junior Students' Patterns

F4617

Front:
Back:
Cursor:

A[B,C]


Thornton Booklet L.194 c.1937

F4618

Front:
Back:
Cursor:

A[B,C]D
[S,L,T]
Plastic, metal runners.

(1939)

F4618


Rietz Patterns

PIC F4457

12.5cm (5”)

Front:
Back:
Cursor:

L, A [B,CI,C] D,K
[S,S&T,T]


Thornton Booklet L.194 c.1937

PIC 4458

25cm (10”)

Front:
Back:
Cursor:

27cm//L, A [B,CI,C] D,K \\10”(unlabelled)
[S,S&T,T]
Nickel plated PC7

(1953)

PIC 4458

PIC F4458

25cm (10”)

Front:
Back:
Cursor:

27cm//L, A [B,CI,C] D,K \\10”(unlabelled)
[S,S&T,T]
Nickel plated PC7

(1955)

PIC F4458

PIC F4459

50cm (20”)

Front:
Back:
Cursor:

L, A [B,CI,C] D,K
[S,S&T,T]


Thornton Booklet L.194 c.1937
Hopp (Dinsdale catalogue 1960)








Engineer-Commerce Patterns

F4864

Front:
Back:
Cursor:

LL2, LL3, A [ B, CI, C ] D, K
[S,L,T]


Thornton Booklet L.194 c.1937

F4864VD

Front:
Back:
Cursor:

LL2, LL3, A [ B, CI, C ] D, K
[S,L,T]


Thornton Booklet L.194 c.1937

4865

Front:
Back:
Cursor:
Case:

27cm // LL2, LL3, A [ B, CI, C ] D, K || 10in
[S,L,T]
PC8
Black Diamond

(no date)

PIC 4865

Front:
Back:
Cursor:
Case

27cm // LL2, LL3, A [ B, CI, C ] D, K || 10in
[S,L,T]
PC8G Screwed Al

(1936)

PIC 4865

Front:
Back:
Cursor:
Case

27cm // LL2, LL3, A [ B, CI, C ] D, K || 10in
[S,L,T]
Folded Aluminium
Green Diamond

(1946)

PIC 4865

F4865
(disc.1955)




Thornton Booklet L.194 c.1937
Hopp (Bond's catalogue 1935)

F4866





F4866VD




Thornton Booklet L.194 c.1937
http://www.sliderules.info/a-to-z/electrical/electrical-02.jpg

PIC 4880

10”



*Hopp: (p226) Estimator Finance
*Thornton envelope

PIC P4881




*Thornton envelope

PIC 4882

20”



cf. PIC4880
*Hopp: (p226) Estimator Finance
*Thornton envelope

PIC VP4884




5” version of PIC4880








Electrical & Mechanical Engineers' Patterns

F4460




Thornton Booklet L.194 c.1937

F3649




Thornton Booklet L.194 c.1937

PIC 3649

Front:
Back:
Cursor:

27cm // LL2, A [ B, CI, C ] D, LL3 \\ 10in
[ S, L, T ]
PC7


1947)

Hopp p226

(1948)

Image

PIC 3649 (1948)

(1953)

Image

PICCC 3649 (1953)

F3650/PC8

Front:
Back:
Cursor:

Comment

27cm // LL2, A(KW) [ B(HP), CI, C ] D, LL3 \\ 10in
[ S, L, T ] Well: Dynamo/Motor%, Volts
PC8

Electrical – cf PIC 131, similar but without differential scales.




Image

PICC 3650/PC8

IC 3650

Front:
Back:
Cursor:

27cm // LL2, A(KW) [ B(HP), CI, C ] D, LL3 \\ 10in
[ S, L, T ] Well: Dynamo/Motor%, Volts
PC7
Electrical – cf PIC 131, similar but without differential scales.

(1944)

PIC 3650

(1945)

PIC 3650 (1945)

F4453




Thornton Booklet L.194 c.1937

F4622




Thornton Booklet L.194 c.1937



AC Electrical

PIC 141
(Model E)




Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC P142




Thornton Catalogue TC3 1956

PIC 144
(Model F)




Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
Hopp: (p226)

PIC 145



20”



Thornton Catalogue TC3 1956

PIC P146




Thornton Catalogue TC3 1956

PIC VP147




Thornton Catalogue TC3 1956



Series Differential(Model A (Standard))

PIC 100



5”


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC 101 (1945)
10”

Front:
Back:
Cursor:
Case:

27cm // A [ B, ISd/ITd, Td/Sd, C ] D, L || 10in

Painted 1.4” x 1.6”
Green bird


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*ISRM *Own

PIC 101 (1952)
10”

Front:
Back:
Cursor:
Case:

27cm // A [ B, ISd/ITd, Td/Sd, C ] D, L \\ 10in

Aluminium 1.6” x 1.4”
Black diamond



PIC 101 (1954)
10”

Front:
Back:
Cursor:
Case:

27cm // A [ B, ISd/ITd, Td/Sd, C ] D, L \\ 10in

PC7A
Green branded



PIC 102



20”



Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC P103




Thornton Catalogue TC3 1956

PIC VP104




Thornton Catalogue TC3 1956



Differential Series (Model B (Rietz))

PIC 110




Thornton Booklet L.194 c.1937

PIC 111 (1949)

Front:
Back:
Cursor:
Case:

27cm // A [ B,R, ISd/ITd, Td/Sd, C ] D, L \\ 10in
-
Folded aluminium
Black diamond


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*Own

PIC 111 (1950)

Front:
Back:
Cursor:
Case:

27cm // A [ B,R, ISd/ITd, Td/Sd, C ] D, L \\ 10in
-
Folded aluminium
Black diamond


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*Own

PIC 111 (1956)

Front:
Back:
Cursor:
Case:

27cm // A [ B,R, ISd/ITd, Td/Sd, C ] D, L \\ 10in
-
Nickel Plated PC7
Green branded


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*Own

PIC 112




Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC 113




Thornton Catalogue TC3 1956

PIC VP114



5”

*Hopp: (pp 162,228) Reitz (cf F4458,F4459)


Thornton Catalogue TC3 1956
Hopp (DOMMDA Catalogue 1964)



Differential Series (Model C (Comprehensive))

PIC No121


27cm // E1, E2, A [ B, R, ISd/ITd, Td/Sd, C ] D, ƒ(s) || 10inch

Cursor: PC8A
Case: Green bird

NB: E1,E2 = LL2,LL3; R=CI

(1937)

Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*Hopp: (ppp 162,227,228)
*Thornton envelope
*Appendix B
*Own


Scales as above.

No cursor (needs PC8)
Black diamond Case

(1950)

Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*Hopp: (ppp 162,227,228)
*Thornton envelope
*Appendix B
*Own


Scales as above.

PC8 (Folded aluminium)
Black diamond Case

(1951)

Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*Hopp: (ppp 162,227,228)
*Thornton envelope
*Appendix B
*Own


Scales as above.

PC8 cursor
Black diamond Case

(1963)

Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956
*Hopp: (ppp 162,227,228)
*Thornton envelope
*Appendix B
*Own

PIC 121/PC18


27cm // E1, E2, Int + A(Kw) [ B(hp), R, ISd/ITd, Td/Sd, C ] d + D, ƒ(s) || 10inch

PC18


*Own

PIC 122



20”

cf. 121
*Hopp: (pp 162,228)
*Thornton envelope
*Appendix B


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC P123


*Thornton envelope
*Appendix B


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC VP124



5”

cf. 121
B


Thornton Catalogue TC3 1956
*ISRM
*Hopp: (pp 162,228)
*Thornton envelope
*Appendix



Differential Series (Model D (Electrical))

PIC 130


PIC 130 Image
*Appendix B


Thornton Booklet L.194 c.1937

PIC 131


27cm //
E1, E2, Int + A(Kw) [ B(hp), RC, ISd/ITd, Td/Sd, C ] D, ƒ(s)
Well: Dynamo-Motor η=%, Volt
\\ 10inch

Cursor: PC8B (folded aluminium) + mushroom

Case: Green diamond branded

(1954)

Thornton Booklet L.194 c.1937
*Own
*Hopp: (pp 162,228)
*Thornton envelope
*Appendix B


Scales as above.

Cursor: PC8 plated.
Case: Green diamond branded

(1956)














PIC 131/PC18


27cm //
E1, E2, A [ B, R, ISd/ITd, Td/Sd, C ] D, ƒ(s)
Well: Dynamo/Motor η=%, Volt
\\ 10inch

Cursor: PC18 plated + 9mm auxiliary

Case: Red branded


(1959) x 2
(1960) x 1

*ISRM
*Own













PIC 132



20”

cf. 131
*Hopp: (pp 162,228)
*Thornton envelope
*Appendix B


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC P133


*Thornton envelope
* Ref “Appendix B”


Thornton Booklet L.194 c.1937
Thornton Catalogue TC3 1956

PIC VP134



5”

cf. 131
*Hopp: (pp 162,228)
*Thornton envelope
*Appendix B


Thornton Catalogue TC3 1956



Specialist

VP150



5”

*Hopp: (p228)


Thornton Catalogue TC3 1956
Hopp (DOMMDA Catalogue 1964)

F5100


Made & Supplied by
A.G. Thornton Ltd. of Wythenshawe,


eBay





(1)Thornton Booklet L.194 c.1937

(2)Thornton Catalogue TC3 1956

1956 Rules

Old Cursor

New Cursor

1960 Rules

100, 3641 (disc 1953), VP104,

PC2

PC1

VP104

110, 4622, 4460, 4457 (disc. 1953), VP114, VP4462, VP3653, VP3647

PC3

PC1

VP114

VP3656, VP150

PC2

PC2

VP150, VP3656

120, 130, 4864V&D (disc. 1953), VP124, VP134, VP4871, VP4872

PC11

PC5

VP124, VP134, VP4884

VP147

PC24

PC29

VP147

121, P103, 111, P113, 3654, 157, P3655, P158 (disc.1955), 4458, P4461, 3650, 3649, P3632, P3648, 162, P172, P173

PC7
TD=1.25”

PC8
TD=1.4”

101, 111, F157, F3634, F4458, F3649, F3650, P103, P113, P138, P3655, P4461, P3648, P3652

121, P123, 131, P133, 4863, 4860, P4869 (disc.1955), P4870 (disc.1955), 4880, P4881, 4865V&D

PC8

PC18
TD=1.55”

121, 131, 4880, P123, P4881

101, 3654 (PRE 1947), 3657, 3658, 4617, 4618 (disc. 1953), P170, P171

PC4
TD=1.2”

PC17

P170 , P171

121, P103, 111, P113, 3654, 157, P3655, P158 (disc.1955), 4458, P4461, 3650, 3649, P3632, P3648, 162, P172, P173

PC7
TD=1.25”

PC17

P172, P172E, P173

144, 141 (disc.1955)

PC12

PC22

144

P146, P142 (disc.1955)

PC15

PC30

146

102, 112, 3756, 4459, 3651, 4453

PC9

PC9

101, 112, F3756, F4459, F3646, F3651

122, 132, 4882, 4861, 4866, 4866V&D

PC10
TD=1.55”

PC10

122, 132, 4882

145

PC13

PC13

145

143 (disc. 1953)