Slide Rules | Surplus Network

Stereoscopic Animated Fusion Training Charts 1951 w/Wooden Viewer 66 Cards

Stereoscopic Animated Fusion Training...

$129.99 USD

Stereoscopic Animated Fusion Training...

$129.99 USD

Vintage slide rule USSR ! Free Shipping!

Vintage slide rule USSR ! Free Shipping!

$24.99 USD

Vintage slide rule USSR ! Free Shipping!

$24.99 USD

Slide Rule Pocket Size 6” With Leather Case Frederick Post 1444K Sun Hemmi Japan

Slide Rule Pocket Size 6” With...

$24.99 USD

Slide Rule Pocket Size 6” With...

$24.99 USD

Frederick Post Co Versalog 1460 Bamboo Hemmi Slide Rule Made in Japan Vintage

Frederick Post Co Versalog 1460...

$49.99 USD

Frederick Post Co Versalog 1460...

$49.99 USD

Vintage Slide Rule: Faber Castell 111/54 RIETZ in cool closing case

Vintage Slide Rule: Faber Castell...

$49.99 USD

Vintage Slide Rule: Faber Castell...

$49.99 USD

VINTAGE CONCISE CIRCULAR SLIDE RULE NO 320 CS 204 W/CASE & INSTRUCTIONS

VINTAGE CONCISE CIRCULAR SLIDE RULE...

$49.99 USD

VINTAGE CONCISE CIRCULAR SLIDE RULE...

$49.99 USD

RARE UNOPENED PICKETT MODEL N200 SLIDE RULE STORED SINCE MANUFACTURE.

RARE UNOPENED PICKETT MODEL N200...

$60.00 USD

RARE UNOPENED PICKETT MODEL N200...

$60.00 USD

Pickett & Eckel All Metal Slide Rule Model 300 ES Log Log with Leather Case

Pickett & Eckel All Metal Slide Rule...

$60.00 USD

Pickett & Eckel All Metal Slide Rule...

$60.00 USD

RARE Vintage Student Slide Rule COMPLETE With Instructions, Box

RARE Vintage Student Slide Rule...

$13.80 USD

RARE Vintage Student Slide Rule...

$13.80 USD

Two Vintage Dietzgen Slide Rules In Leather Cases Made In Usa EUC

Two Vintage Dietzgen Slide Rules In...

$9.90 USD

Two Vintage Dietzgen Slide Rules In...

$9.90 USD

Sun Hemmi No. 32 Bamboo slide rule made in Japan, No Case 4"

Sun Hemmi No. 32 Bamboo slide rule...

$19.99 USD

Sun Hemmi No. 32 Bamboo slide rule...

$19.99 USD

Frederick Post Hemmi Slide Rule 1460 Versalog Japan Bamboo With Case Bin #5

Frederick Post Hemmi Slide Rule 1460...

$19.99 USD

Frederick Post Hemmi Slide Rule 1460...

$19.99 USD

VINTAGE WOOD K&E KEUFFEL & ESSER Wooden 20” SLIDE RULER W/Case #4053-3

VINTAGE WOOD K&E KEUFFEL & ESSER...

$19.99 USD

VINTAGE WOOD K&E KEUFFEL & ESSER...

$19.99 USD

Vintage Sterling Acumata Slide Ruler w/Instructions & Case

Vintage Sterling Acumata Slide Ruler...

$19.99 USD

Vintage Sterling Acumata Slide Ruler...

$19.99 USD

Sun Hemmi Japan Slide Rule No.260 Bamboo With Original Box

Sun Hemmi Japan Slide Rule No.260...

$120.00 USD

Sun Hemmi Japan Slide Rule No.260...

$120.00 USD

Bennett Books Slide Conversion Scale Metric to U.S. Measurements Temp Area

Bennett Books Slide Conversion Scale...

$4.24 USD

Bennett Books Slide Conversion Scale...

$4.24 USD

Frederick Post 1447 Slide rule EVC case VGVC

Frederick Post 1447 Slide rule EVC...

$12.00 USD

Frederick Post 1447 Slide rule EVC...

$12.00 USD

Vintage Addiator Arithma German Made Calculator with Stylus

Vintage Addiator Arithma German Made...

$12.00 USD

Vintage Addiator Arithma German Made...

$12.00 USD

Pickett Cleveland Institute of Electronics Slide Rule Model No 500 Leather Case

Pickett Cleveland Institute of...

$34.98 USD

Pickett Cleveland Institute of...

$34.98 USD

The Polyphase Slide Rule, A Self Training Manual, 1925 Keuffel & Esser Co.

The Polyphase Slide Rule, A Self...

$10.00 USD

The Polyphase Slide Rule, A Self...

$10.00 USD

Vintage Engineering Instruments 10 inch slide rule with box

Vintage Engineering Instruments 10...

$10.00 USD

Vintage Engineering Instruments 10...

$10.00 USD

Vintage PICKETT MICROLINE 120 Slide Rule With BLACK Case EUC

Vintage PICKETT MICROLINE 120 Slide...

$10.00 USD

Vintage PICKETT MICROLINE 120 Slide...

$10.00 USD

Antique Slide Rule DENNERT & PAPE Altona in Box

Antique Slide Rule DENNERT & PAPE...

$10.00 USD

Antique Slide Rule DENNERT & PAPE...

$10.00 USD

Vintage Concise Circular Slide Rule (Japan) No. 28 with Case & manual

Vintage Concise Circular Slide Rule...

$19.95 USD

Vintage Concise Circular Slide Rule...

$19.95 USD

VTG ACU-MATH No 400 Slide Rule Case Made in USA Paper Book Original Case

VTG ACU-MATH No 400 Slide Rule Case...

$19.95 USD

VTG ACU-MATH No 400 Slide Rule Case...

$19.95 USD

Vintage Mannheim Slide Rule Architectural Scale Made In England Free Shipping

Vintage Mannheim Slide Rule...

$19.95 USD

Vintage Mannheim Slide Rule...

$19.95 USD

Vintage 6” PICKETT Slide Rule Model N-1006-T Dated 1959 All Metal & Leather Case

Vintage 6” PICKETT Slide Rule Model...

$35.00 USD

Vintage 6” PICKETT Slide Rule Model...

$35.00 USD

SUN HEMMI Slide Rule Bamboo No.260 w/Case

SUN HEMMI Slide Rule Bamboo No.260 ...

$109.00 USD

SUN HEMMI Slide Rule Bamboo No.260 ...

$109.00 USD

Vintage Pickett Model N600-ES 6" Slide Rule with Leather Case

Vintage Pickett Model N600-ES 6"...

$79.99 USD

Vintage Pickett Model N600-ES 6"...

$79.99 USD

Vintage Scientific Instruments Co. 1961 (No. 1050) Slide Rule Ruler, Pre-owned

Vintage Scientific Instruments Co....

$30.00 USD

Vintage Scientific Instruments Co....

$30.00 USD

Vintage Keuffel Esser K&E 10-inch Slide Rule 68 1617 w/ Case

Vintage Keuffel Esser K&E 10-inch...

$30.00 USD

Vintage Keuffel Esser K&E 10-inch...

$30.00 USD

Slide Rule KL-1 Calculator USSR Engineer Logarithmic Mathematical Circular

Slide Rule KL-1 Calculator USSR ...

$35.50 USD

Slide Rule KL-1 Calculator USSR ...

$35.50 USD

vintage DIETZGEN SLIDE RULE Microglide Decimal Trig Type Log Cat No 1734 In Case

vintage DIETZGEN SLIDE RULE...

$39.95 USD

vintage DIETZGEN SLIDE RULE...

$39.95 USD

POST VERSALOG Slide Rule 1460 Hemmi Bamboo Japan in Leather Case

POST VERSALOG Slide Rule 1460 Hemmi...

$39.95 USD

POST VERSALOG Slide Rule 1460 Hemmi...

$39.95 USD

Vintage Pickett Dial Rule 101-C Circular Slide Rule w/ Case & Instructions

Vintage Pickett Dial Rule 101-C...

$79.95 USD

Vintage Pickett Dial Rule 101-C...

$79.95 USD

VINTAGE Pickett N600-T Slide Rule, Ruler, LOG LOG SPEED RULE, MADE IN THE USA

VINTAGE Pickett N600-T Slide Rule,...

$130.00 USD

VINTAGE Pickett N600-T Slide Rule,...

$130.00 USD

K&E Keuffel & Esser 4081-3 Slide Rule c1947 Log Log Duplex with Case - VG Cond

K&E Keuffel & Esser 4081-3 Slide Rule...

$42.99 USD

K&E Keuffel & Esser 4081-3 Slide Rule...

$42.99 USD

Brand New Square D Motor and...

$8.50 USD

Brand New Square D Motor and...

$8.50 USD

PICKETT SLIDE RULE MODEL 902-T "The Calculator Of The Day"

PICKETT SLIDE RULE MODEL 902-T ...

$8.50 USD

PICKETT SLIDE RULE MODEL 902-T ...

$8.50 USD

Vintage POST Slide Rule No 1447 Occupied Japan Sun Hemmi, Original Box, NrMt

Vintage POST Slide Rule No 1447...

$23.50 USD

Vintage POST Slide Rule No 1447...

$23.50 USD

Vintage KEUFFEL & ESSER CO NY Slide Rule 4055 w/Leather Case

Vintage KEUFFEL & ESSER CO NY Slide...

$20.00 USD

Vintage KEUFFEL & ESSER CO NY Slide...

$20.00 USD

Vintage SP precision sterling slide Ruler Made in the USA

Vintage SP precision sterling slide...

$8.99 USD

Vintage SP precision sterling slide...

$8.99 USD

vintage giant pickett slide rule 84 inch

vintage giant pickett slide rule 84...

$675.00 USD

vintage giant pickett slide rule 84...

$675.00 USD

Dietzgen #1737 Slide Rule Decimal Trig Type Log & Case

Dietzgen #1737 Slide Rule Decimal...

$31.64 USD

Dietzgen #1737 Slide Rule Decimal...

$31.64 USD

Vintage Frederick Post Co. No 1444K Slide Rule Sun Hemmi Made in Occupied Japan

Vintage Frederick Post Co. No 1444K...

$12.99 USD

Vintage Frederick Post Co. No 1444K...

$12.99 USD

VTG 1968 Sterling No. 684 Slide Rule Mannheim Scales 9 Scales NOS

VTG 1968 Sterling No. 684 Slide Rule...

$14.95 USD

VTG 1968 Sterling No. 684 Slide Rule...

$14.95 USD

VINTAGE PICKETT DIAL RULE #101-C CIRCULAR SLIDE RULE, LEATHER CASE, INSTRUCTIONS

VINTAGE PICKETT DIAL RULE #101-C...

$75.00 USD

VINTAGE PICKETT DIAL RULE #101-C...

$75.00 USD

Aristo Studio 968 Slide Rule Ruler Vintage Made In Germany Original Case

Aristo Studio 968 Slide Rule Ruler...

$29.99 USD

Aristo Studio 968 Slide Rule Ruler...

$29.99 USD

Vintage Navigation Ruler Marine Aviation Topoplastic France Drafting Jean Cras

Vintage Navigation Ruler Marine...

$29.99 USD

Vintage Navigation Ruler Marine...

$29.99 USD

Vintage Frederick Post Co Pocket Slide Rule 1444-P Leather Case Only

Vintage Frederick Post Co Pocket...

$7.96 USD

Vintage Frederick Post Co Pocket...

$7.96 USD

Soviet Army Officer Ruler Comandir Military Maps Mark Slide USSR Russian lilac☭

Soviet Army Officer Ruler Comandir...

$18.62 USD

Soviet Army Officer Ruler Comandir...

$18.62 USD

Vintage Keuffel & Esser Co. NY USA Slide Rule Leather Case & Original Box 4088-3

Vintage Keuffel & Esser Co. NY USA...

$69.99 USD

Vintage Keuffel & Esser Co. NY USA...

$69.99 USD

New Concise ruler circular slide rule 28N 100973 English Ver.

New Concise ruler circular slide rule...

$34.10 USD

New Concise ruler circular slide rule...

$34.10 USD

Vintage Eugene Dietzgen Microglide Slide Rule Decimal Trig Log No. 1734 w/ Case

Vintage Eugene Dietzgen Microglide...

$24.00 USD

Vintage Eugene Dietzgen Microglide...

$24.00 USD

The Slide Rule, The Practical Manual by Charles N. Pickworth Book on CD

The Slide Rule, The Practical Manual...

$6.00 USD

The Slide Rule, The Practical Manual...

$6.00 USD

1954 K & E Keuffel & Esser Slide Rule Manual Book No.4053

1954 K & E Keuffel & Esser Slide Rule...

$9.99 USD

1954 K & E Keuffel & Esser Slide Rule...

$9.99 USD

Vintage 1957 SHURE Reactance Slide Rule Calculator USA w Cover & Instructions

Vintage 1957 SHURE Reactance Slide...

$9.99 USD

Vintage 1957 SHURE Reactance Slide...

$9.99 USD

Vtg Fredrick Post CO. Versatrig Slide Rule #1450 Hemmi With Black Leather Case

Vtg Fredrick Post CO. Versatrig Slide...

$28.00 USD

Vtg Fredrick Post CO. Versatrig Slide...

$28.00 USD

10 inch Slide Rule By Engineering Instruments, Inc., Peru, Indiana

10 inch Slide Rule By Engineering...

$9.89 USD

10 inch Slide Rule By Engineering...

$9.89 USD

VINTAGE PRECISION STERLING SLIDE RULE DRAFTING/ENGINEERING TOOL

VINTAGE PRECISION STERLING SLIDE RULE...

$6.99 USD

VINTAGE PRECISION STERLING SLIDE RULE...

$6.99 USD

Asphalt Paving Job Calculator Slide Rule

Asphalt Paving Job Calculator Slide Rule

$7.15 USD

Asphalt Paving Job Calculator Slide Rule

$7.15 USD

Dietzgen Redirule No. 1776 Pocket Slide Rule - USA

Dietzgen Redirule No. 1776 Pocket...

$13.99 USD

Dietzgen Redirule No. 1776 Pocket...

$13.99 USD

Vintage Frederick Post No. 1460 Versalog Bamboo Slide Rule w/ Leather Case

Vintage Frederick Post No. 1460...

$39.00 USD

Vintage Frederick Post No. 1460...

$39.00 USD

Vintage Keuffel & Esser K & E N4053-3 10 5/8 Inch Slide Rule w/Case #295194

Vintage Keuffel & Esser K & E N4053-3...

$13.00 USD

Vintage Keuffel & Esser K & E N4053-3...

$13.00 USD

new Weems & Plath Nautical Marine Navigation Slide Rule # 105

new Weems & Plath Nautical Marine...

$22.22 USD

new Weems & Plath Nautical Marine...

$22.22 USD

VTG Fredrick Post Co. 1444-P Slide Rule with Pocket Brown Leather Case

VTG Fredrick Post Co. 1444-P Slide...

$14.99 USD

VTG Fredrick Post Co. 1444-P Slide...

$14.99 USD

Vintage Eugene Dietzgen Decimal Trig Type Log Rule Model 1732 Slide Rule w/ Case

Vintage Eugene Dietzgen Decimal Trig...

$9.95 USD

Vintage Eugene Dietzgen Decimal Trig...

$9.95 USD

Vintage RELAY Slide Rule No. 153 Leather Case Made in Japan - Amazing Condition!

Vintage RELAY Slide Rule No. 153...

$32.95 USD

Vintage RELAY Slide Rule No. 153...

$32.95 USD

Pickett All Metal Slide Rule Log Log Model 800 with Leather Case

Pickett All Metal Slide Rule Log Log...

$15.00 USD

Pickett All Metal Slide Rule Log Log...

$15.00 USD

Concise ruler circular slide rule 480 100836 Japanese dia105mm new free shipping

Concise ruler circular slide rule 480...

$59.00 USD

Concise ruler circular slide rule 480...

$59.00 USD

1960s VTG Soviet Russian Circular Slide Rule KL-1 Logarithmic Pocket Calculator

1960s VTG Soviet Russian Circular...

$99.00 USD

1960s VTG Soviet Russian Circular...

$99.00 USD

Vintage Pickett All Metal Trig Slide Rule N1010-T Leather Case ~ 12” ~ Math Tool

Vintage Pickett All Metal Trig Slide...

$34.99 USD

Vintage Pickett All Metal Trig Slide...

$34.99 USD

Vintage Pickett Model N 3-ES Power Log Exponential All Metal Slide Rule 1960

Vintage Pickett Model N 3-ES Power...

$48.88 USD

Vintage Pickett Model N 3-ES Power...

$48.88 USD

Frederick Post Co. Versalog 1460 Bamboo Hemmi Slide Rule Made in Japan

Frederick Post Co. Versalog 1460...

$114.00 USD

Frederick Post Co. Versalog 1460...

$114.00 USD

Ohmite Parallel Resistance & Ohms Law Calculator 1949 Slide Rule

Ohmite Parallel Resistance & Ohms Law...

$22.40 USD

Ohmite Parallel Resistance & Ohms Law...

$22.40 USD

Concise ruler circular slide rule 28N 100973 English Ver.

Concise ruler circular slide rule 28N...

$37.99 USD

Concise ruler circular slide rule 28N...

$37.99 USD

Keuffel & Esser K+E 4181-3 Slide Rule 1947 Vintage Leather Case w/ Clip K & E

Keuffel & Esser K+E 4181-3 Slide Rule...

$43.99 USD

Keuffel & Esser K+E 4181-3 Slide Rule...

$43.99 USD

Vintage Lawrence Slide Rule - Made in the USA - Lawrence Engineering Service

Vintage Lawrence Slide Rule - Made in...

$12.95 USD

Vintage Lawrence Slide Rule - Made in...

$12.95 USD

Vintage 1950

Vintage 1950's DIETZGEN SLIDE RULE...

$12.95 USD

Vintage 1950's DIETZGEN SLIDE RULE...

$12.95 USD

Vintage Faber-Castell 2/83N Novo-Biplex Slide Rule w/ Case Germany RARE

Vintage Faber-Castell 2/83N...

$350.00 USD

Vintage Faber-Castell 2/83N...

$350.00 USD

Sun HEMMI 10cm No. 32 Bamboo SLIDE RULE ** Factory Sealed NEVER USED

Sun HEMMI 10cm No. 32 Bamboo SLIDE...

$45.00 USD

Sun HEMMI 10cm No. 32 Bamboo SLIDE...

$45.00 USD

Concise Ruler Circular Slide Rule No. 300 100829 110mm JAPAN

Concise Ruler Circular Slide Rule No....

$50.82 USD

Concise Ruler Circular Slide Rule No....

$50.82 USD

VINTAGE 1977 INSTANT U.S. to METRIC CONVERSIONS SLIDE RULE CHART Army

VINTAGE 1977 INSTANT U.S. to METRIC...

$5.00 USD

VINTAGE 1977 INSTANT U.S. to METRIC...

$5.00 USD

Vintage STERLING SLIDE RULE Made in USA Plastic SP PRECISION

Vintage STERLING SLIDE RULE Made in...

$5.00 USD

Vintage STERLING SLIDE RULE Made in...

$5.00 USD

16 Vintage VARI-VUE FLICKER 6" Ruler Measure 3-D Lenticular Teacher School Uncut

16 Vintage VARI-VUE FLICKER 6" Ruler...

$25.99 USD

16 Vintage VARI-VUE FLICKER 6" Ruler...

$25.99 USD

SUN HEMMI BAMBOO SLIDE RULE 256 + 2634

SUN HEMMI BAMBOO SLIDE RULE 256 + 2634

$110.00 USD

SUN HEMMI BAMBOO SLIDE RULE 256 + 2634

$110.00 USD

NEW Vintage Teledyne Post 10"Versatrig Slide Rule Hemmi Japan 44CA-500

NEW Vintage Teledyne Post...

$100.00 USD

NEW Vintage Teledyne Post...

$100.00 USD

Sun Hemmi Slide Rule No.2664s bamboo With Original case japan

Sun Hemmi Slide Rule No.2664s bamboo...

$98.99 USD

Sun Hemmi Slide Rule No.2664s bamboo...

$98.99 USD

Vtg 1947 Keuffel & Esser Co. 4081-3 Log Log Duplex Decitrig Slide Rule & Case

Vtg 1947 Keuffel & Esser Co. 4081-3...

$31.00 USD

Vtg 1947 Keuffel & Esser Co. 4081-3...

$31.00 USD

Micronta Slide Rule Model No. 505 with Leather Case, Made in Japan by Ricoh

Micronta Slide Rule Model No. 505...

$28.95 USD

Micronta Slide Rule Model No. 505...

$28.95 USD

Vintage Circular Marine Nautical Speed Distance Calculator 4 1/2" L1F

Vintage Circular Marine Nautical...

$13.66 USD

Vintage Circular Marine Nautical...

$13.66 USD

Vintage Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule with Case

Vintage Keuffel & Esser K&E 4081-3...

$24.95 USD

Vintage Keuffel & Esser K&E 4081-3...

$24.95 USD

Vintage Pickett Microline 120 Yellow Slide Rule With Case and How to Use Manual

Vintage Pickett Microline 120 Yellow...

$12.59 USD

Vintage Pickett Microline 120 Yellow...

$12.59 USD

Pickett Model Simplex Trig N902-ES All Metal Slide Rule

Pickett Model Simplex Trig N902-ES...

$8.97 USD

Pickett Model Simplex Trig N902-ES...

$8.97 USD

Metrics Made Easy Card Pull Tab Calculator Shell Des Plaines Car Wash

Metrics Made Easy Card Pull Tab...

$9.59 USD

Metrics Made Easy Card Pull Tab...

$9.59 USD

Vintage 6" Slide Rule--Ruler No 45--Stainless USA Pocket rule

Vintage 6" Slide Rule--Ruler No...

$9.00 USD

Vintage 6" Slide Rule--Ruler No...

$9.00 USD

Vtg Concise Circular Slide Rule No. 28 Sealed Package Herald Electronics JAPAN

Vtg Concise Circular Slide Rule No....

$54.99 USD

Vtg Concise Circular Slide Rule No....

$54.99 USD

Weems & Plath 12” Parallel Ruler #140 with Brushed Aluminum Arms

Weems & Plath 12” Parallel Ruler...

$26.95 USD

Weems & Plath 12” Parallel Ruler...

$26.95 USD

Curta Calculator Type II Military Pilot Captain Owned Working Museum Piece

Curta Calculator Type II Military...

$9,761.11 USD

Curta Calculator Type II Military...

$9,761.11 USD

Concise Ruler Circular Slide Rule No.300 100829 110mm

Concise Ruler Circular Slide Rule...

$58.00 USD

Concise Ruler Circular Slide Rule...

$58.00 USD