Scientific and Medical Antiques and Vintage Equipment

Medical & Science Antiques

Antique Slide Rules

A new selection of vintage slide rules at competitive prices every day. If you're looking for a Pickett slide rule with case, Faber Castell or Keuffel & Esser circular spiral slide rule, Sun Hemmi bamboo slide rule with case, Dietzgen binary slide rule in box, USSR military slide rules, or any other collectible slide rule, this is the place to find new opportunities every day.
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VINTAGE ARITHMA  ADDIATOR WITH STYLUS POCKET CASE - MADE IN GERMANY Buy Now »

VINTAGE ARITHMA ADDIATOR WITH STYLUS POCKET CASE - MADE IN GERMANY

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25 mins
  • Item Condition: Used
  • Item Location: Sandy, UT, USA ZIP 840**
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  • Handling Time: 3 business days
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  • Seller: micknarz   Feedback: 452 / 99.6%
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USSR KL-1 Logarithmic Circular Slide Rule 1960s Vintage Buy Now »
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USSR KL-1 Logarithmic Circular Slide Rule 1960s Vintage

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57 mins
Vintage A & W 24 Inch Slide Ruler 1970's Buy Now »
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Vintage A & W 24 Inch Slide Ruler 1970's

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3 hrs
48 mins
  • Item Condition: NewNew Vintage A & W 24 Inch Slide Ruler 1970's for sale
  • Item Location: Worcester, MA, USA ZIP 016**
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  • Handling Time: 3 business days
  • Seller: wilfitzp_3339   Feedback: 282 / 100%
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Vintage Keuffel & Esser Beginner's Slide Rule 4058W Buy Now »

Vintage Keuffel & Esser Beginner's Slide Rule 4058W

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5 hrs
40 mins
  • Item Condition: Used
  • Item Location: Sewell, NJ, USA ZIP 080**
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  • Handling Time: 3 business days
  • Seller: jbugfinds   Feedback: 123 / 99.4%
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Vintage Keuffel & Esser Co NY K&E Polyphase Slide Rule Model N4053-3 in Case Box Buy Now »

Vintage Keuffel & Esser Co NY K&E Polyphase Slide Rule Model N4053-3 in Case Box

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5 hrs
40 mins
  • Item Condition: Used
  • Item Location: Sewell, NJ, USA ZIP 080**
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  • Handling Time: 3 business days
  • Seller: jbugfinds   Feedback: 123 / 99.4%
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Vintage Pickett 271 Yellow Slide Rule w/Leather Case Model N1010-T Trig Buy Now »

Vintage Pickett 271 Yellow Slide Rule w/Leather Case Model N1010-T Trig

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5 hrs
41 mins
  • Item Condition: Used
  • Item Location: Sewell, NJ, USA ZIP 080**
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  • Handling Time: 3 business days
  • Seller: jbugfinds   Feedback: 123 / 99.4%
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Metric Conversion Slide Rule - © 1973 - Metrics Made Easy - The Diamond Shamrock Buy Now »
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Metric Conversion Slide Rule - © 1973 - Metrics Made Easy - The Diamond Shamrock

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5 hrs
59 mins
VINTAGE PICKETT ELECTRONIC SLIDE RULE N-515-T IN LEATHER CASE Buy Now »

VINTAGE PICKETT ELECTRONIC SLIDE RULE N-515-T IN LEATHER CASE

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6 hrs
7 mins
  • Item Condition: Used
  • Item Location: Rushville, IL, USA ZIP 626**
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  • Handling Time: 3 business days
  • Seller: walkerstreasuredfinds   Feedback: 198 / 100%  Top-Rated Seller Top-Rated Seller
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Pickett 10" Microline 140 Slide Rule Original Case, A3C Buy Now »

Pickett 10" Microline 140 Slide Rule Original Case, A3C

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6 hrs
15 mins
  • Item Condition: Used
  • Item Location: Portland, OR, USA ZIP 972**
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  • Handling Time: 1 business day
  • Seller: barge-sandr   Feedback: 328 / 98.1%
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Keuffel & Esser Co NY Wood  Transit Instrument Box  USA Finger Joints Good Cond Buy Now »

Keuffel & Esser Co NY Wood Transit Instrument Box USA Finger Joints Good Cond

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6 hrs
46 mins
  • Item Condition: Used
  • Item Location: Carbondale, IL, USA ZIP 629**
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  • Handling Time: 1 business day
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  • Seller: elok2610   Feedback: 4,272 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage MASONEILAN INTERNATIONAL Camflex Valve Slide Rule/Calculator Buy Now »
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Vintage MASONEILAN INTERNATIONAL Camflex Valve Slide Rule/Calculator

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$8.80
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6 hrs
50 mins
  • Item Condition: Used
  • Item Location: Mountain Home, AR, USA ZIP 726**
  • Shipping Type: Free
  • Handling Time: 2 business days
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  • Seller: cindylousemporia   Feedback: 7,358 / 99.3%
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Vintage LAWRENCE ENGINEERING SERVICE PERU IND. Slide Ruler Ruler Buy Now »

Vintage LAWRENCE ENGINEERING SERVICE PERU IND. Slide Ruler Ruler

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7 hrs
12 mins
  • Item Condition: Used
  • Item Location: Auburn Hills, MI, USA ZIP 483**
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  • Handling Time: 2 business days
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  • Seller: sammie7167   Feedback: 387 / 94.3%
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Vintage WARNER & SWASEY Production Chucking & Spindle Bar Slide Rule/Calculator Buy Now »
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Vintage WARNER & SWASEY Production Chucking & Spindle Bar Slide Rule/Calculator

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7 hrs
15 mins
  • Item Condition: Used
  • Item Location: Mountain Home, AR, USA ZIP 726**
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  • Handling Time: 2 business days
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  • Seller: cindylousemporia   Feedback: 7,358 / 99.3%
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Vintage WARNER & SWASEY Production Spindle + Chucking Slide Rule/Calculator Buy Now »
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Vintage WARNER & SWASEY Production Spindle + Chucking Slide Rule/Calculator

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$20.24
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7 hrs
21 mins
  • Item Condition: Used
  • Item Location: Mountain Home, AR, USA ZIP 726**
  • Shipping Type: Free
  • Handling Time: 2 business days
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  • Seller: cindylousemporia   Feedback: 7,358 / 99.3%
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Vintage WARNER & SWASEY Production Universal Scale Turn Slide Rule/Calculator Buy Now »
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Vintage WARNER & SWASEY Production Universal Scale Turn Slide Rule/Calculator

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$17.60
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7 hrs
30 mins
  • Item Condition: Used
  • Item Location: Mountain Home, AR, USA ZIP 726**
  • Shipping Type: Free
  • Handling Time: 2 business days
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  • Seller: cindylousemporia   Feedback: 7,358 / 99.3%
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VINTAGE Slide Rule~Pickett Microline 120 in Good Condition! Buy Now »

VINTAGE Slide Rule ~ Pickett Microline 120 in Good Condition!

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8 hrs
4 mins
  • Item Condition: Used
  • Item Location: Pasco, WA, USA ZIP 993**
  • Shipping Type: Calculated
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  • Handling Time: 3 business days
  • Seller: lucky8mercantile   Feedback: 21 / 90.9%
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Vintage Frederick Post CO Versulog Hemmi In Leather Case Has Crack in See... Buy Now »

Vintage Frederick Post CO Versulog Hemmi In Leather Case Has Crack in See...

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$10.00
$55.00
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8 hrs
5 mins
  • Item Condition: Used
  • Item Location: Princeton, ID, USA ZIP 838**
  • Shipping Type: Flat Rate
  • Shipping Cost: $10.00
  • Handling Time: 5 business days
  • Returns Accepted
  • Seller: candiestreasurehouse   Feedback: 3,038 / 100%  Top-Rated Seller Top-Rated Seller
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NOS NEW Vintage Pickett Slide Rule N902-ES w/ Box & Case  10" Simplex Trig Rare Buy Now »

NOS NEW Vintage Pickett Slide Rule N902-ES w/ Box & Case 10" Simplex Trig Rare

Buy: $99.99 Ships:
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8 hrs
6 mins
  • Item Condition: NewNew NOS NEW Vintage Pickett Slide Rule N902-ES w/ Box & Case  10" Simplex Trig Rare for sale
  • Item Location: Framingham, MA, USA ZIP 017**
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  • Shipping Cost: $14.99
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  • Handling Time: 1 business day
  • Seller: bcskate94   Feedback: 640 / 100%
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Perfect Attendance Pins Gold Toned Buy Now »

Perfect Attendance Pins Gold Toned

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8 hrs
12 mins
  • Item Condition: Used
  • Item Location: Indianapolis, IN, USA ZIP 462**
  • Shipping Type: Flat Rate
  • Shipping Cost: $5.99
  • Handling Time: 2 business days
  • Returns Accepted
  • Seller: cdrepairman1-7   Feedback: 1,280 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Aristo Simplex No. 812 Slide Rule with case Buy Now »
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Vintage Aristo Simplex No. 812 Slide Rule with case

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8 hrs
18 mins
  • Item Condition: Used
  • Item Location: Mount Ida, AR, USA ZIP 719**
  • Shipping Type: Free
  • Handling Time: 1 business day
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  • Seller: lancermil   Feedback: 31,772 / 99.7%
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Nice Vintage Versalog 1460 Slide Rule Frederick Post Hemmi Bamboo Japan w/ Case Bid Now » Buy Now »

Nice Vintage Versalog 1460 Slide Rule Frederick Post Hemmi Bamboo Japan w/ Case

Bid: $40.00
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8 hrs
24 mins
  • Item Condition: Used
  • Item Location: Galva, KS, USA ZIP 674**
  • Shipping Type: Flat Rate
  • Shipping Cost: $10.00
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  • Handling Time: 3 business days
  • Seller: jeffhoppes   Feedback: 334 / 100%
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Weems and Plath #139 parallel ruler. 12" Inch. Buy Now »

Weems and Plath #139 parallel ruler. 12" Inch.

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$17.00
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8 hrs
27 mins
  • Item Condition: Used
  • Item Location: Crystal River, FL, USA ZIP 344**
  • Shipping Type: Flat Rate
  • Shipping Cost: $5.00
  • Handling Time: 3 business days
  • Seller: davidp4378   Feedback: 1,073 / 98.1%
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Corrosion Computer Slide Chart Calculator Harper Metal Steel Copper Aluminum Buy Now »

Corrosion Computer Slide Chart Calculator Harper Metal Steel Copper Aluminum

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$18.45
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8 hrs
35 mins
  • Item Condition: Used
  • Item Location: Saint Louis, MO, USA ZIP 631**
  • Shipping Type: Flat Rate
  • Shipping Cost: $5.50
  • Handling Time: 3 business days
  • Seller: lachto5   Feedback: 769 / 100%  Top-Rated Seller Top-Rated Seller
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Slide Rule / True Airspeed Computer, Felsentahl, G-1, (S1078) Buy Now »

Slide Rule / True Airspeed Computer, Felsentahl, G-1, (S1078)

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8 hrs
35 mins
  • Item Condition: Used
  • Item Location: McKinney, TX, USA ZIP 750**
  • Shipping Type: Calculated
  • Handling Time: 2 business days
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  • Seller: slideruleguy   Feedback: 1,542 / 100%  Top-Rated Seller Top-Rated Seller
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K&E Slide Rule N4053-3  10 inch, (S1238) Buy Now »

K&E Slide Rule N4053-3 10 inch, (S1238)

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8 hrs
41 mins
  • Item Condition: Used
  • Item Location: McKinney, TX, USA ZIP 750**
  • Shipping Type: Calculated
  • Handling Time: 2 business days
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  • Seller: slideruleguy   Feedback: 1,542 / 100%  Top-Rated Seller Top-Rated Seller
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VNTG The Frederick Post Co.# 1446 Slide Rule With Case Nice Condition SUN HEMMI Buy Now »

VNTG The Frederick Post Co.# 1446 Slide Rule With Case Nice Condition SUN HEMMI

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$4.95
$30.95
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8 hrs
44 mins
  • Item Condition: Used
  • Item Location: Hamburg, NY, USA ZIP 140**
  • Shipping Type: Flat Rate
  • Shipping Cost: $4.95
  • Handling Time: 3 business days
  • Returns Accepted
  • Seller: mohican240   Feedback: 6,725 / 99.7%
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K&E Keuffel & Esser Slide Rules & Calculating Instruments Catalog & Prices 1941 Buy Now »
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K&E Keuffel & Esser Slide Rules & Calculating Instruments Catalog & Prices 1941

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8 hrs
48 mins
  • Item Condition: Used
  • Item Location: Bethlehem, PA, USA ZIP 180**
  • Shipping Type: Free
  • Handling Time: 2 business days
  • Seller: 21qaz   Feedback: 168 / 100%
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Vintage Slide Rule Profilometer Group II Micrometrical Manufacturing Co. Buy Now »

Vintage Slide Rule Profilometer Group II Micrometrical Manufacturing Co.

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$4.50
$17.45
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8 hrs
54 mins
  • Item Condition: Used
  • Item Location: Berkeley, CA, USA ZIP 947**
  • Shipping Type: Flat Rate
  • Shipping Cost: $4.50
  • Handling Time: 2 business days
  • Returns Accepted
  • Seller: vintorium   Feedback: 2,279 / 100%  Top-Rated Seller Top-Rated Seller
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Dietzgen Redirule No. 1776 Slide Rule & Scale w/ Leather Case Made in the USA Buy Now »

Dietzgen Redirule No. 1776 Slide Rule & Scale w/ Leather Case Made in the USA

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8 hrs
56 mins
  • Item Condition: Used
  • Item Location: Boone, NC, USA ZIP 286**
  • Shipping Type: Calculated
  • Handling Time: 3 business days
  • Seller: jatil5433   Feedback: 475 / 99.7%
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Vintage Slide Rule Atlas Roller Chain Drive Calculator Buy Now »

Vintage Slide Rule Atlas Roller Chain Drive Calculator

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$4.50
$21.45
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8 hrs
57 mins
  • Item Condition: Used
  • Item Location: Berkeley, CA, USA ZIP 947**
  • Shipping Type: Flat Rate
  • Shipping Cost: $4.50
  • Handling Time: 2 business days
  • Returns Accepted
  • Seller: vintorium   Feedback: 2,279 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Pickett Synchro Scale Rule Model 800 Log w Case [LOT#00-058][C1-3-3-6] Buy Now »

Vintage Pickett Synchro Scale Rule Model 800 Log w Case [LOT#00-058][C1-3-3-6]

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$19.49
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8 hrs
57 mins
  • Item Condition: Used
  • Item Location: Knoxville, TN, USA ZIP 379**
  • Shipping Type: Local Pick-up
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  • Handling Time: 1 business day
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  • Seller: bates-enterprises   Feedback: 701 / 98.5%  Top-Rated Seller Top-Rated Seller
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Keuffel and Esser Beginners Slide Rule N4058W K&E Made in USA w/ Case Buy Now »

Keuffel and Esser Beginners Slide Rule N4058W K&E Made in USA w/ Case

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9 hrs
5 mins
  • Item Condition: Used
  • Item Location: Elizabethtown, PA, USA ZIP 170**
  • Shipping Type: Calculated
  • Handling Time: 3 business days
  • Seller: ctlandis6   Feedback: 20,324 / 100%  Top-Rated Seller Top-Rated Seller
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Slide Rule / Slide Chart, Vortec Heat Load Calculator,  (S362) Buy Now »

Slide Rule / Slide Chart, Vortec Heat Load Calculator, (S362)

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9 hrs
5 mins
  • Item Condition: Used
  • Item Location: McKinney, TX, USA ZIP 750**
  • Shipping Type: Calculated
  • Handling Time: 2 business days
  • Returns Accepted
  • Seller: slideruleguy   Feedback: 1,542 / 100%  Top-Rated Seller Top-Rated Seller
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Slide Rule K & E 4085W,  (S0650)    D-22 Buy Now »

Slide Rule K & E 4085W, (S0650) D-22

Buy: $6.98 Ships:
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$6.98
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9 hrs
6 mins
  • Item Condition: Used
  • Item Location: McKinney, TX, USA ZIP 750**
  • Shipping Type: Calculated
  • Handling Time: 2 business days
  • Returns Accepted
  • Seller: slideruleguy   Feedback: 1,542 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Lot of Engineering Slide Rules - Asstd Lot 4 Steam-O Ring-Valve Buy Now »

Vintage Lot of Engineering Slide Rules - Asstd Lot 4 Steam-O Ring-Valve

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9 hrs
6 mins
  • Item Condition: Used
  • Item Location: Norristown, PA, USA ZIP 194**
  • Shipping Type: Calculated
  • Handling Time: 3 business days
  • Seller: greatsorce   Feedback: 249 / 100%
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Slide Rule Bruning 2401 (68-540)  "Uniroyal Chemical"  (S0548) D-21 Buy Now »

Slide Rule Bruning 2401 (68-540) "Uniroyal Chemical" (S0548) D-21

Buy: $16.98 Ships:
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$16.98
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9 hrs
11 mins
  • Item Condition: Used
  • Item Location: McKinney, TX, USA ZIP 750**
  • Shipping Type: Calculated
  • Handling Time: 2 business days
  • Returns Accepted
  • Seller: slideruleguy   Feedback: 1,542 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Sans & Streiffe Slide Ruler No. 311 with Leather Case White Buy Now »

Vintage Sans & Streiffe Slide Ruler No. 311 with Leather Case White

Buy: $29.98 Ships:
$6.99
$36.97
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9 hrs
12 mins
  • Item Condition: Used
  • Item Location: Glendale, AZ, USA ZIP 853**
  • Shipping Type: Flat Rate
  • Shipping Cost: $6.99
  • Handling Time: 1 business day
  • Returns Accepted
  • Seller: tito_9177   Feedback: 833 / 100%  Top-Rated Seller Top-Rated Seller
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Used U.S. Metric Converter Slide rule converts Liquid, weight, linear, square + Buy Now »

Used U.S. Metric Converter Slide rule converts Liquid, weight, linear, square +

Buy: $23.16 Ships:
$4.00
$27.16
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9 hrs
17 mins
  • Item Condition: Used
  • Item Location: St. George, UT, USA ZIP 847**
  • Shipping Type: Flat Rate
  • Shipping Cost: $4.00
  • Expedited Shipping
  • Handling Time: 3 business days
  • Returns Accepted
  • Seller: maxfieldgal   Feedback: 6,144 / 97.9%
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Instant U.S. To Metric Conversions Slide Cardboard 1971 Vintage Buy Now »

Instant U.S. To Metric Conversions Slide Cardboard 1971 Vintage

Buy: $11.95 Ships:
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$11.95
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9 hrs
24 mins
  • Item Condition: Used
  • Item Location: West Burke, VT, USA ZIP 058**
  • Shipping Type: Flat Rate
  • Handling Time: 3 business days
  • Returns Accepted
  • Seller: gaprilday   Feedback: 2,223 / 100%  Top-Rated Seller Top-Rated Seller
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