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- $12.00 GBP Vintage Slide Rule Faber Castell 57/89 with Case / Box + Original Instructions
- $15.00 GBP A. W. Faber Castell 1/87 Rietz slide rule
- $10.90 GBP Vintage Slide Rule Faber Castell 57/89 with Case + Original Instructions
- $10.00 GBP VTG Rare Vynyl Plastic Wood Diwa Denmark Log-log 101 Slide Rule 12" Wooden Case
- $14.99 GBP VINTAGE FOXBORO FLOW AND VALVE SLIDE RULE WITH LEATHER CASE
- $135.00 GBP Faber-Castell Slide Rule 2/83 Novo Duplex (vintage)
- $17.00 GBP Aristo Multirietz 0929 Slide Rule Set
- $15.00 GBP VINTAGE BOOTS RINGPLAN 10" Log-Log Slide Rule
- $10.00 GBP Vintage Raphoplex Slide Rule Made in France - with carry case
- $4.98 GBP Vintage 1940's UNIQUE UNIVERSAL SLIDE RULE in Original Box Super Made in England
- $14.99 GBP VINTAGE ACE ELECTICIANS SLIDE RULE WITH CASE.
- $10.00 GBP Vintage 8" Wooden Slide Rule with Box, Lawrence Engineering Service, Wabash, IND
- $84.15 GBP Sun Hemmi No. 256 Vintage Bamboo Slide Rule With Leather Case
- $16.00 GBP VINTAGE EARLY WOOD BODY ALBERT NESTLER A-G No: 11 SLIDERULE WITH ORIGINAL CASE
- $29.99 GBP bison concise circular slide rule with slip case . 55416
- $60.00 GBP Vintage Faber-Castell Precision Slide Rule 1/87 K1e A1
- $8.00 GBP VINTAGE Slide rule NESTLER-RIETZ â„–0239 GERMANY
- $4.99 GBP Thornton sliderule & case
- $10.00 GBP Vintage Simplified Rietz Slide Rule W H Smith Includes Case
- $10.00 GBP Japanese “sun” Hemmi Slide Rule No.2664
- $14.99 GBP Vintage Diwa Denmark Slide Rule Ruler In Wooden Case
- $10.00 GBP Vintage Sun Hemmi Japan Germany Bavaria Bamboo Slide Rule 28cm 11" Case
- $45.00 GBP Pocket sliderule Sun Hemmi 74 bamboo Original case
- $19.99 GBP Vintage Simplon Bilateral Log-Log Engineering Slide Rule Made in England
- $16.99 GBP A.W Faber Castell Engineering Ruler Vintage With Case Made In Germany
- $9.99 GBP Faber Castell 57/87 slide rule with plastic case
- $8.95 GBP Vintage Faber Castell 57/92 Slide Rule
- $12.50 GBP Rare Vintage Bamboo Slide Rule SUN HEMMI JAPAN F B No. 50W Boxed
- $150.00 GBP Vernier Brass Protractor, S&S Ltd 1950. In Original Wooden Case. Rare Vintage
- $175.00 GBP RARE Superb Vintage (i) 1890 DENNERT & PAPE No 1746 Slide Rule Original Case!
- $1000.00 GBP Vintage Stanley Fuller Slide Rule Logarithmic Calculator & Instruction Manual
- $39.95 GBP Vintage A.W. Faber Castell 1/54 Darmstadt Slide Rule in leather case
- $4.95 GBP Blundell Rules Ltd Academy 305 Electro 10” Open Frame Plastic Slide Rule 1960’s.
- $4.00 GBP Universal SLIDE RULE made In Germany By Eco Bra. Number 1511 , Ltd Edition
- $10.00 GBP AG Thornton No. 121 Slide Rule / Slipstick with Case
- $10.00 GBP 'UNIQUE' Log Log Slide Rule, 1950s + Instruction Booklet + Original Box. VGC.
- $9.00 GBP 1950 A G Thornton Ltd Slide Rule, Engineer's Use
- $12.50 GBP Vintage Aristo 967 Darmstadt D Dennert & Pape Slide Rule In Leather Case.
- $55.00 GBP A.W. Faber-Castell 398 Vintage (May 1931) Elect. Eng. Slide Rule in Original Box
- $38.00 GBP Vintage Aristo Scholar 903 And Faber Castell 1/92 Slide Rules German Engineering
- $26.88 GBP Vintage A.W. Faber Castell 1/54 Darmstadt Slide Rule #17
- $7.00 GBP Vintage Slide Rule Unique Universal Slide Rule in Original Box
- $6.00 GBP Aristo Scholar Slide Rule and Verulam Ruler
- $11.00 GBP Slide Rule FABER CASTELL 1/87 Rietz with Sliding Scale & Original Case
- $14.00 GBP Aristo Rietz Slide rule in original box and instruction - made in Germany
- $9.99 GBP Vintage Faber 57/87 Rietz (Cased)& Blundell Luton Type P.10 Astralon Slide Rules
- $11.99 GBP Vintage BRL Slide Rule Academy 300 Cased Made England
- $15.00 GBP Faber-Castell 57/86 Columbus Slide Rule Vintage May 1973 Germany in Clear Case
- $34.00 GBP Lot of 9 Vintage Slide Rules As Is- Ricoh, Sun Hemi, Unique, Reiss Etc
- $14.95 GBP Unique Commercial Vintage Slide Rule Wooden Frame Made In England Original Box
- $17.97 GBP Unusual Small Rediffusion (Volts / dB) & Regal No.A50S Slide Rules
- $7.00 GBP VINTAGE BLUNDELL S143-10 SLIDE RULE MADE IN ENGLAND
- $2.50 GBP Jakar 523A Slide Rule With Wallet Sleeve Good Condition DES
- $15.00 GBP BRITISH THORNTON AA 010 COMPREHENSIVE RULER DUPLEX SLIDE RULE PLASTIC CURSOR
- $4.45 GBP Vintage Blundell Omega Slide Ruler with Box 1950's
- $12.00 GBP Vintage Wood Mahogany Simplon England Bilateral Log-Log Slide Rule 33cm 13" Case
- $17.00 GBP Unique Log Log Slide Rule Made in England 12” in Original Box
- $9.99 GBP Vintage Unique Universal II Slide Rule Boxed With Mathematical Equations
- $14.95 GBP Unique Universal II Vintage Slide Rule Wooden Frame Made In England Original Box
- $19.95 GBP Vintage THE UNIQUE DUALISTIC SLIDE RULE 10” D3 with Original Box
- $21.75 GBP New Jakar Students Pocket 5 inch (13cm) Slide Rule 523A + Wallet NO INSTRUCTIONS
- $5.00 GBP "UNIQUE" SLIDE RULES Half-Hour Instructions
- $22.00 GBP A G Thornton PIC No. 144 Slide Rule with box
- $12.50 GBP Vintage BRL Slide Rule Academy 300 in slipcase - good usable condition
- $10.00 GBP Vintage slide rule: The Technical Standard
- $32.99 GBP VINTAGE ORIGINAL HEMMI SUN VECTOLOG #P253 WITH CASE & MANUAL
- $14.99 GBP UNIQUE Universal Slide Rule Boxed & The Polyphase Slide Rule Manual 1925
- $19.99 GBP ARISTO SCHOLAR Slide Rule No 0903 With Case
- $20.00 GBP Faber Castell Precision Slide Rule Vintage
- $10.00 GBP Vintage 'Unique' Log Log Slide Rule Maths Ruler Functions / Made in England
- $43.00 GBP SCARCE Vintage 1940 DIWA ELECTRO 311 Slide Rule + Leather Case Denmark 10"
- $7.99 GBP FABER CASTELL 1/87 Rietz SLIDE RULE - with Case
- $15.00 GBP Two Vintage Helix Slide Rules. Instructions And Case
- $33.00 GBP Vintage Faber Castell Slide Ruler In Plastic Case
- $12.99 GBP Vintage AW Faber Castell Slide Rule Boxed Surveying Made Germany 1/60
- $4.60 GBP 102 Slide Rule Rare Books Manuals on DVD Ruler Circular Calculator Maths 247
- $89.99 GBP Vintage CHORD COMPUTER Slide Rule & Instructions Dudley Fuller Associates 1970
- $9.99 GBP Faber Castell model 1/87 Vintage Slide Rule with original plastic case
- $10.00 GBP Vintage 'Classic' Slide Rule Series V 10" Boxed. Excellent condition
- $13.00 GBP P.I.C Vintage Slide Rule
- $17.95 GBP Early Vintage PIC Trade mark A G Thornton Ltd Sliding Rule In Case
- $7.50 GBP Vintage PIC Slide Rule- By A G Thornton In original box- 3654 made in England
- $12.00 GBP Vintage PIC Slide Rule F3650/ PC8 Boxed A G Thornton Ltd #11
- $10.99 GBP Vintage BRL P19 Slide Rule In Case Surveying Made England
- $14.00 GBP Vintage Pickett Model 61 Slide Rule
- $12.99 GBP Vintage Blundell Slide Rule Boxed Surveying Made England S143-10
- $15.99 GBP Vintage PIC Thornton Wooden Slide Rule Junior Boxed Surveying Made England Rare
- $8.99 GBP Vintage Boots Ringplan Slide Rule In Hohner Case
- $6.00 GBP Vintage 'Unique' Universal I Slide Rule
- $50.00 GBP RARE Vintage 1917 - 29 J.Hemmi Pocket Slide Rule Patent 107562 Japan - Holder!
- $15.00 GBP Jakar No. 29 Student Log-Log Slide rule Boxed
- $10.00 GBP VINTAGE BOXED - AISTRO SCHOLAR VS SLIDE RULE - 0903VS - MADE IN AUSTRIA
- $4.00 GBP Vintage UNIQUE Brighton Slide Rule in original box. Made in England
- $11.95 GBP VINTAGE ROYAL SLIDE RULE IN CARD CASE NUMBER NO.1002
- $12.00 GBP A.W.Faber 363 slide rule in leather case & set of 3 scale rules + Helix boxwood
- $9.99 GBP The Unique" Log-log Slide Rule - Made in England
- $5.00 GBP VINTAGE “SPIRAL TUBE” HEATER OUTPUT SLIDE RULE ABBOT BROWN U.K PERFECT
- $9.99 GBP Old Vintage Danish Diwa Square Rule 621 in Case - Made in Denmark
- $295.00 GBP HAFF DIGIPLAN Digital Planimeter 300/301
- $50.99 GBP Vintage Albert Nestler Slide Rule A G LAHR No 14 D R G M Instruction Booklet