NameTypePhotoMatch
Acu Rule Co.slide rule
 
3172
Acu Rule Co. 10slide rule
 
3173
Acu Rule Co. 10 Dslide rule
 
3174
Albd Calcurregla (Mexico)slide rule
P
3951
American Blueprint 2025 Mannheim polyphaseslide rule
 
3179
Aristo 810 Puckslide rule
 
188
Aristo 810 Puck Variantslide rule
P
187
Aristo 810 Puck Variantslide rule
P
186
Atlas 51slide rule
P
3940
Beseler 7279 Projectionslide rule
P
5095

NameTypePhotoMatch
Blundell 305 C Electro Academy slide rule
P
533
Blundell 600 Mannheimslide rule
 
2965
Blundell 805 Electrical Academy slide rule
 
2958
Blundell 812 Classmate Academy slide rule
P
540
Blundell 813 Classmate Academyslide rule
P
541
Blundell S 150 - 10 slide rule
P
495
Blundell S 150 - 10 P (Projection) projection
P
2988
Blundell S 150 - 10 Staedtlerslide rule
P
3257
Blundell S 150 - 20 slide rule
P
530
"Boots Ringplan Standard 10"""slide rule
 
3605

NameTypePhotoMatch
"Boots Ringplan Standard 5"""slide rule
P
2814
Bristol Line 18 - 4slide rule
 
3606
Bruning 2401slide rule
P
5777
Bruning 2401 Variantslide rule
P
5032
Bruning 2420slide rule
P
581
Charvoz Roos SR 105 Mslide rule
 
3188
Compass 505slide rule
P
5091
CThru 88slide rule
 
3609
CThru Pocket Slide ruleslide rule
 
3196
Deuspa 523slide rule
 
3003

NameTypePhotoMatch
Deuspa 525slide rule
P
2857
Dietzgen 1765 W 
 
3624
Dietzgen 1767 P National slide rule
 
733
Dietzgen 1767 P Variantslide rule
 
3214
Dietzgen 1768 P Old model 
 
3625
Dietzgen 1771 Redirule slide rule
 
735
Du Mont 8-Bslide rule
 
806
Du Mont polyphase typeslide rule
 
3220
Ecobra R 141 Rietzslide rule
P
814
Ecobra R 141 Rietz Variantslide rule
P
815

NameTypePhotoMatch
Ecobra R 143 Rietzslide rule
P
816
Empire Pedigreeslide rule
P
5039
Empire Pencil Co slide rule
 
3222
Empire Pencil Co Variant slide rule
 
3223
Engineering Instruments Inc. 250 - Vslide rule
 
831
Engineering Mfg.slide rule
 
3224
Festus Acu Ruleslide rule
P
1216
Fuji 51slide rule
P
3683
Fuji 515 P Trilogslide rule
 
1244
Fuji 535 Sslide rule
P
1247

NameTypePhotoMatch
Fuji 536 Cslide rule
P
3438
HCW Leidenslide rule
 
1369
Hope 53slide rule
P
3437
Hope 54slide rule
P
2856
Hope 57slide rule
P
1382
Jakar 22 Darmstadtslide rule
 
1464
Jakar 511slide rule
P
3892
Jakar 523 Aslide rule
 
1466
Jakar 523 A Variantslide rule
 
1467
Keuffel & Esser < 4053 - 3 > Variantslide rule
 
1518

NameTypePhotoMatch
Keuffel & Esser < 4053 > Polyphase Slide Rule, Mannheim Adjustableslide rule
P
4094
Keuffel & Esser < 4054 > Polyphase (Mannheim)slide rule
P
4145
Keuffel & Esser < 4097 C > Ever - There, (Old 4098) Variantslide rule
P
5049
Keuffel & Esser < 4097 C > Ever - There, 1936 (Old 4098)slide rule
P
4373
Keuffel & Esser < 4097 C > Variantslide rule
P
4762
Keuffel & Esser < N 4053 - 3 >slide rule
P
4727
Keuffel & Esser < N 4053 - 3 > Polyphase Mannheim Adjustableslide rule
P
4110
Keuffel & Esser < N 4053 - 3 > Polyphase Mannheim Adjustableslide rule
P
4113
Keuffel & Esser < N 4053 - 3 > S Polyphase Mannheim Adjustableslide rule
P
4580
Keuffel & Esser < N 4053 - 3 > Variantslide rule
 
1519

NameTypePhotoMatch
Keuffel & Esser < N 4053 - 3 > Variantslide rule
P
4581
Keuffel & Esser < N 4053 - 3F > S Polyphase Mannheim Adjustabledisc(s)
P
4127
Keuffel & Esser < N 4053- 2 > Mannheim Adjustable, dated 1924 (other example)slide rule
P
4754
Keuffel & Esser 100 Demonstration Slide Rule, Mannheim type, with two screw eyes for suspending 
 
4116
Keuffel & Esser 4053 - 3 Polyphase Mannheim Adjustable 
 
4108
Keuffel & Esser 4053 - 3 Polyphase Mannheim Adjustableslide rule
P
4582
Keuffel & Esser 4053 - 3 Polyphase Mannheim Adjustable, molded plastic backslide rule
 
4117
Keuffel & Esser 4053 - 3F Polyphase Mannheim Adjustable, graduated as closely as the 50cm rule 
 
4124
Keuffel & Esser 4053 - 3FS Mannheim Adjustable, graduated as closely as the 50cm rule 
 
4125
Keuffel & Esser 4053 - 3S Mannheim Adjustablese 
 
4109

NameTypePhotoMatch
Keuffel & Esser 4053 - 3S Polyphase Mannheim Adjustableslide rule
P
4583
Keuffel & Esser 4053 - 3S Polyphase Mannheim Adjustable,slide rule
P
4118
Keuffel & Esser 4053 - 5 Polyphase Mannheim Adjustable 
 
4130
Keuffel & Esser 4053 - 5 Polyphase Mannheim Adjustableslide rule
 
4132
Keuffel & Esser 4053 - 5S Polyphase Mannheim Adjustable 
 
4133
Keuffel & Esser 4098 Ever - There, (Old 4098) 
 
4377
Keuffel & Esser 68 - 1617 Polyphaseslide rule
P
4119
Keuffel & Esser N < 4053 - 2 > S Polyphase Mannheim Adjustable, dated 1925slide rule
P
4104
Keuffel & Esser N < 4053 - 3F > Mannheim Adjustable dated 1923slide rule
P
4704
Keuffel & Esser N < 4053 - 3F > Polyphase Mannheim Adjustable, dated 1925, 1927, 1928, 1930 slide rule
P
4126

NameTypePhotoMatch
Keuffel & Esser N < 4053 - 3F > Polyphase Mannheim Adjustable, dated 1934 
 
4507
Keuffel & Esser N < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1923slide rule
P
4686
Keuffel & Esser N < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1923slide rule
P
4696
Keuffel & Esser N < 4053- 2 > Mannheim Adjustable, dated 1924slide rule
P
4103
Keuffel & Esser N < 4053- 2 > Mannheim Adjustable, dated 1924 (other example)slide rule
P
4753
Keuffel & Esser N 4053 - 2 S Polyphase Mannheim Adjustable 
 
4105
Keuffel & Esser N 4053 - 3slide rule
P
4726
Keuffel & Esser N 4053 - 3F Polyphase Mannheim Adjustable, dated 1936, 1937, 1939 and 1942 
 
4128
Keuffel & Esser N 4053 - 3FS Polyphase Mannheim Adjustable 
 
4129
Keuffel & Esser N 4053 - 3S Polyphase Manheim Adjustable 
 
4111

NameTypePhotoMatch
Keuffel & Esser N 4053 - 3S Polyphase Mannheim Adjustable 
 
4114
Keuffel & Esser N 4053 - 3S Polyphase Mannheim Adjustable 
 
4112
Keuffel & Esser N 4053 - 5 Polyphase Mannheim Adjustable 
 
4134
Keuffel & Esser N 4053 - 5 Polyphase Mannheim Adjustable, 
 
4136
Keuffel & Esser N 4053 - 5 Polyphase Mannheim Adjustable, with molded plastic backslide rule
P
4138
Keuffel & Esser N 4053 - 5S Polyphase Mannheim Adjustable 
 
4135
Keuffel & Esser N 4053 - 5S Polyphase Mannheim Adjustable 
 
4137
Keuffel & Esser N 4053 - 5S Polyphase Mannheim Adjustable, with molded plastic back 
 
4139
Kutsuwa FN 401slide rule
P
1560
Kutsuwa Pocket FN 801 slide rule
P
1561

NameTypePhotoMatch
Lawrence 011slide rule
P
3863
Lawrence 10 - Bslide rule
P
1570
Lawrence 10 - B Variantslide rule
P
1571
Lawrence 250 - BTslide rule
P
1574
Lawrence 250 - BT Engineering Instrumentsslide rule
 
3296
Lawrence 250 - V Engineering Instrumentsslide rule
 
3297
Lawrence 8 - Bslide rule
P
1569
Markant 510slide rule
P
3900
Markant 510 Variantslide rule
P
3901
NoNameslide rule
 
2014

NameTypePhotoMatch
NoNameslide rule
 
2035
NoNameslide rule
P
1993
NoNameslide rule
P
1995
NoNameslide rule
P
1996
NoNameslide rule
P
1997
NoNameslide rule
P
2004
NoNameslide rule
P
2012
NoNameslide rule
P
2013
NoNameslide rule
P
2015
NoNameslide rule
P
2019

NameTypePhotoMatch
NoName slide rule
 
2005
NoName Japaneseslide rule
 
2040
NoName Japaneseslide rule
 
2056
NoName Variantslide rule
P
5653
Park Inst. Co. Compassslide rule
 
2103
Penol 102Aslide rule
P
2105
Penol 521Aslide rule
P
2106
Post 1444 Sun Hemmislide rule
P
2208
Post 1444D Commerce (Made in USA) Mannheim 
 
3730
Post 1444D Commerce Variant: No brand name or model number, only Made in U.S.A. Mannheim 
 
3731

NameTypePhotoMatch
Post 1444K Sun Hemmislide rule
P
2209
Post 1444K Vest Pocket Mannheim 
 
3728
Post 1444K Vest Pocket Variant: Labeled Post 1444 but sold as Teledyne Post 1444K. Mannheim 
 
3729
"Post 1444P Five-Inch Plastic Variant: No brand name or model number, not even ""Made in U.S.A."" Mannheim" 
 
3733
Post 1444P Five-Inch Plastic. Frederick Post Made in U.S.A. Mannheimslide rule
P
3732
Post 1446 Student Mannheim 
 
3740
Post 1446D Student Mannheim 
 
3739
Post 1446D Sun Hemmislide rule
 
3357
Post 1447 Student Mannheim 
 
3741
Post 1447 Student Mannheim 
 
3746

NameTypePhotoMatch
Post 1447 Sun Hemmislide rule
P
2213
Post 1447 Sun Hemmi Variantslide rule
 
2211
Post 1447 Sun Hemmi Variantslide rule
 
2212
Post 1447D Student Mannheim 
 
3745
Post 1447DP Projection 
 
3747
Post 1447P Student Mannheim 
 
3748
Post 1451 Universal (C Cursor) Mannheim 
 
3759
Post 1452 Multiphase Mannheim 
 
3761
Post 1452 Plastic Variant: No make or model number, only Made in U.S.A. Mannheim 
 
3768
Post 1452 Universal Mannheimslide rule
P
3765

NameTypePhotoMatch
Post 1452 Universal Mannheimslide rule
P
3762
Post 1452D Universal Mannheim 
 
3766
Post 1452P Plastic Mannheim 
 
3767
Post 1452T Extra Thin Universal Mannheim 
 
3763
Post 1452W Universal Mannheim 
 
3764
Post 1453 Universal Extra Fine Mannheim 
 
3769
Post 1454 Multiphase Mannheim 
 
3770
Post 1454 Universal (C Cursor) Mannheimslide rule
P
3771
Post 44BA-470 Teledyne Post Mannheim 
 
3814
Post 44DA-440 Teledyne Post Mannheim 
 
3825

NameTypePhotoMatch
Rheitaslide rule
 
2265
RHEI-TA Rechenstabeslide rule
P
1994
Roos SR - 104 Company slide rule
P
3864
Roos SR 107 A The Roos Companyslide rule
 
2285
Santokslide rule
 
2328
Santokslide rule
 
2329
Scientific Instruments 1520slide rule
 
3368
Scientific Instruments 4030slide rule
 
3371
Seger Zegercoslide rule
 
2343
Sterling 587slide rule
P
2388

NameTypePhotoMatch
Sterling 587 Variant slide rule
 
3383
Sterling 689 Precisionslide rule
 
3380
Sterling Precisionslide rule
P
2391
Sterling Precisionslide rule
P
3938
Sterling Precision (with cm and inch scale)slide rule
P
3937
Sterling Precision Variantslide rule
P
3381
Sun Hemmi 101 A Instruction ruleslide rule
 
2453
Sun Hemmi 34 RKslide rule
P
2412
Sun Hemmi 34 RK Variantslide rule
 
2410
Sun Hemmi 34 RK Variantslide rule
 
2411

NameTypePhotoMatch
Sun Hemmi 40 RK slide rule
P
2414
Sun Hemmi 40 RK Ahrendslide rule
P
2416
Sun Hemmi 40 RK Variantslide rule
 
2417
Sun Hemmi 40 RK Variant slide rule
P
2415
Sun Hemmi 50slide rule
 
3387
Sun Hemmi 50 Wslide rule
P
2428
Sun Hemmi P 33 / SSslide rule
 
3102
Sun Hemmi P 33 Sslide rule
 
3096
Sun Hemmi P 40 RKslide rule
P
2418
Sun Hemmi P 43 Sslide rule
 
3104

NameTypePhotoMatch
Tecnostyl ST 41slide rule
P
2515
Tecnostyl ST 41 Variantslide rule
 
2516
Teknor 525slide rule
 
2521
Unique Polyphaseslide rule
 
3397
USAslide rule
 
2614
Ricoh 505Slide Rule
P
7027
No name plasticSlide Rule
P
7075
Sun Hemmi 34 RKSlide Rule
P
7076
Staedtler Mars 945 55Slide Rule
P
7099




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