All The Rules...
Thus begins a comprehensive picture list of all the slide rules in my collection. I have duplicates of many of the rules, but will only show one such sample if that happens, with the exception of the K&E rules. Each K&E sample will be listed, since their long history and continuity of a model line will show the evolution of the production of those rules.
Note: This page is under-construction and samples are slowly being added. Only a fraction of my rules yet appear here as of July 3, 2024.
Note: This page is under-construction and samples are slowly being added. Only a fraction of my rules yet appear here as of July 3, 2024.
Aristo
Aristo Nr. 621 Circular - Front
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Aristo Nr. 621 Circular - Back
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Aristo Nr. 803 Mono-Rietz Pocket rule
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General Description: General purpose Student pocket rule Front Scales: L K A [ B CI C ] D S ST T Back Scales: none Date Acquired: Serial Number or Date Stamp: Date: 1966 Lot#1 Country: Geretsried, Germany Construction material: plastic Case: Dimensions: Length of 1 decade = 5 in, and overall scale length = 5 in. The largest physical dimension is 6 in. Notes: |
Nr. 803 - Front
Nr. 803 - Back
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Aristo 0958 Geodat Surveyor rule
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General Description: Surveyor's rule with stadia scales. 400g version, measuring angles in "gons," where \(100 gons = 90 degrees\). This is primarily a European feature, which treats angles as metrically-based measures. Another version of this rule exists known as the 360, which uses traditional degrees. Front Scales: ctg, T, arc, DF [CF, CIF, CI, C] D, P, S, C Back Scales: 1-cos, 1-cos, A [ B,1/tan(a/2), sincos, cos2 ] D, L, K Date Acquired: |
Serial Number or Date Stamp: Date: Country: Germany Construction material: plastic Case: Dimensions: 25 cm (10 inches) Notes: Duplex civil engineers or surveyors slide rule with stadia scales. |
0958 Geodat 400g - Front
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0958 Geodat 400g - Back
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Aristo 867 Darmstadt Pocket rule
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General Description: General purpose pocket rule Front Scales: K A [ B BI CI C ] D P S T Back of Sllde: [ L LL1 LL2 LL3 ] Date Acquired: Serial Number or Date Stamp: 2LR06 Date: 1971, Lot#6 Country: Hamburg, Germany Construction material: plastic Case: Brown leather slip case with instruction pamphlet Dimensions: Length of 1 decade = 5 in, and overall scale length = 5 in. The largest physical dimension is 6 in. Notes: Top and bottom rules with transparent plastic; Reutlinger Company label |
Nr. 867U Darmstadt - Front
Nr. 867U Darmstadt - Back
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Nr. 965 Commerz II - Front
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Nr. 965 Commerz II - Back
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Concise
Model 271 - Front
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Model 271 - Back
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Concise No. 31 keychain circular rule for Nissan
Dietzgen
Redirule No. 1776
1778 Redilog Pocket Rule - Front
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1778 Redilog Pocket Rule - Back
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Diwa
851/4 Darmstadt - Front
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851/4 Darmstadt - Back
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Faber-Castell
2/83N Novo-Biplex - Front
8/10 Circular - Front
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8/10 Circular - Back
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Faber-Castell 62/83 Biplex
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General Description: General purpose pocket rule Front Scales: K T1 T2 DF [ CF CIF CI C ] D ST S P Back Scales: LL03 LL02 LL01 W2 [W2' L C W1' ] W1 LL1 LL2 LL3 Date Acquired: Serial Number or Date Stamp: 869 Date: August 1969 Country: Germany Construction material: Geroplast plastic Case: Green leather sheath Dimensions: Length of 1 decade = 5 in, and overall scale length = 5 in. The largest physical dimension is 7 in. Notes: Date code is difficult to read, so the date is approximate. |
62/83 Biplex - Front
62/83 Biplex - Back
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67/87R with Addiator - Front
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67/87R with Addiator - Back
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111/54 A Addiator Darmstadt - Front
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111/54 A Addiator Darmstadt - Back
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Graphoplex
615 Caltex - Front
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615 Caltex - Back
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698 Electronicien - Front
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698 Electronicien - Back
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Hemmi
Model 35ML - Front
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Model 35ML - Back
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Hemmi 250 General Computation - Front
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Hemmi 250 General Computation - Back
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Hemmi 251 Mechanical Engineering - Front
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Hemmi 251 Mechanical Engineering - Back
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Hemmi 255 Expert Electrical Engineering - Front
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Hemmi 255 Expert Electrical Engineering - Back
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Hemmi 255D Expert Electrical Engineering - Front
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Hemmi 255D Expert Electrical Engineering - Back
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Hemmi 256 Radio Communications - Front
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Hemmi 256 Radio Communications - Back
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Hemmi 259D Expert Mechanical Engineering - Front
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Hemmi 259D Expert Mechanical Engineering - Back
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Hemmi 266 Electronics - Front
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Hemmi 266 Electronics - Back
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Hemmi 274 General Engineering - Front
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Hemmi 274 General Engineering - Back
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Hemmi P281 Student Simplex Rule - Front and Back
Hemmi 410 "Involute of Gear Wheels" - Front
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Hemmi 410 "Involute of Gear Wheels" - Back
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K&E (Keuffel & Esser)
4088-1 Pocket Polyphase Duplex - Front
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4088-1 Pocket Polyphase Duplex - Back
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4097C Ever-There - Front
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4097C Ever-There - Back
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4097D Ever-There - Front
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4097D Ever-There - Back
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4139 Cooke Radio Rule - Front
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4139 Cooke Radio Rule - Back
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4168 Doric - Front
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4168 Doric - Back
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4181-1 Pocket Log Log Decitrig - Front
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4181-1 Pocket Log Log Decitrig - Back
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Deci-Lon 5 Model 68-1300 - Front
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Deci-Lon 5 Model 68-1300 - Back
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GP-12 Model 68-1565 - Front
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GP-12 Model 68-1565 - Back
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Logarex
27205 - Front
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27205 - Back
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Norma
Ronda 100 - Front
Pickett
B1 - Front
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B1 - Back
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N4-T
N4P-ES Pocket - Front
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N4P-ES Pocket - Back
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N16-ES Electronic
C19-T Collins Microwave Transmission - Front
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C19-T Collins Microwave Transmission - Back
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Model 100 Douglas Sky Rule - Front
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Model 100 Douglas Sky Rule - Back
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Model 101-C Dial-Rule - Front
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Model 101-C Dial-Rule - Back
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Model 103ES Mark-Up Calculator - Front
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Model 103ES Mark-Up Calculator - Back
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Model 106C Proportional Scale - Front
Model 111-ES Circular - Front
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Model 111-ES Circular - Back
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N200-T - Front
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N200-T - Back
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N300-T - Front
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N300-T - Back
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Model 400 - Front
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Model 400 - Back
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N600-ES - Front
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N600-ES - Back
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Model 700 USAF Aerial Photo - Front
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Model 700 USAF Aerial Photo - Back
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N808-T Standard Marine Fuels - Front
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N808-T Standard Marine Fuels - Back
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N1006-ES - Front
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N1006-ES - Back
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Post
Post 1441 - Front
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Post 1441 - Back
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Post Hemmi 1461 Electronic - Front
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Post Hemmi 1461 Electronic - Back
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Post 1461 Pocket Versalog 1 - Front
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Post 1461 Pocket Versalog 1 - Back
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Post 1461 Pocket Versalog 2 - Front
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Post 1461 Pocket Versalog 2 - Back
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Sans & Streiffe
No. 313 - Front
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No. 313 - Back
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SIC - Scientific Instruments Company
Star No. 25 for General Motors - Front
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Star No. 25 for General Motors - Back
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No. 1610-D Circular - Front
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No. 1610-D Circular - Back
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Staedtler
No. 54428 - Front
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No. 54428 - Back
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Standardgraph
Standardgraph Nr. 900 - Front
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Standardgraph Nr. 900 - Back
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Unique
Unique Log Log Pocket - Front
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Unique Log Log Pocket - Back
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