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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MID-CENTURY KEUFFEL & ESSER (K&E) KEUFFEL & ESSER RULER 1947 681251 Buy Now »

MID-CENTURY KEUFFEL & ESSER (K&E) KEUFFEL & ESSER RULER 1947 681251

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35 mins
  • Item Condition: Used
  • Item Location: Sandusky, OH, USA ZIP 448**
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  • Handling Time: 2 business days
  • Seller: genuinetreasure   Feedback: 5,614 / 100%
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K & E 1947 Log Decitrig Slide Rule, Leather Case, Conversion Table, Manual Set 4 Buy Now »

K & E 1947 Log Decitrig Slide Rule, Leather Case, Conversion Table, Manual Set 4

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1 hr
12 mins
  • Item Condition: Used
  • Item Location: Albuquerque, NM, USA ZIP 871**
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  • Handling Time: 3 business days
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  • Seller: treasuresbycharlie   Feedback: 525 / 100%
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Vintage Frederick Post No. 1447  Slide Rule 10” Sum Hemmi Japan W/ Box & manual Buy Now »

Vintage Frederick Post No. 1447 Slide Rule 10” Sum Hemmi Japan W/ Box & manual

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1 hr
36 mins
  • Item Condition: Used
  • Item Location: Roanoke, VA, USA ZIP 240**
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  • Handling Time: 3 business days
  • Seller: vitale1964   Feedback: 10,042 / 100%  Top-Rated Seller Top-Rated Seller
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Vtg Keuffel & Esser No. 4058 Student's Slide Rule w/ Case, Buy Now »
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Vtg Keuffel & Esser No. 4058 Student's Slide Rule w/ Case,

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2 hrs
21 mins
  • Item Condition: Used
  • Item Location: Elizabeth, IL, USA ZIP 610**
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  • Seller: priegel_auction_service   Feedback: 4,056 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage CONCISE Circular Slide-Rule No. 320 Pocket Size / Original Case - JAPAN Buy Now »

Vintage CONCISE Circular Slide-Rule No. 320 Pocket Size / Original Case - JAPAN

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2 hrs
52 mins
  • Item Condition: Used
  • Item Location: Jacksonville, NC, USA ZIP 285**
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  • Handling Time: 1 business day
  • Seller: larrsalvucc-0   Feedback: 807 / 98.7%
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Vintage PICKETT #120 TRAINER SLIDE RULE & LEATHER CASE MADE IN USA Buy Now »

Vintage PICKETT #120 TRAINER SLIDE RULE & LEATHER CASE MADE IN USA

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$4.75
$22.25
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3 hrs
45 mins
  • Item Condition: Used
  • Item Location: Sumter, SC, USA ZIP 291**
  • Shipping Type: Flat Rate
  • Shipping Cost: $4.75
  • Handling Time: 3 business days
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  • Seller: schin60   Feedback: 2,220 / 99.8%  Top-Rated Seller Top-Rated Seller
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Pickett Model N1010-ES Trig Powertrig All Metal Slide Rule Leather Case Box 1959 Buy Now »

Pickett Model N1010-ES Trig Powertrig All Metal Slide Rule Leather Case Box 1959

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3 hrs
57 mins
  • Item Condition: Used
  • Item Location: Horn Lake, MS, USA ZIP 386**
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  • Handling Time: 1 business day
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  • Seller: supermanwj7909-5   Feedback: 809 / 100%  Top-Rated Seller Top-Rated Seller
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BELOIT CORPORATION ADVERTISING PEN HOLDER DECIMEL RULER SERVICE AWARDS Buy Now »

BELOIT CORPORATION ADVERTISING PEN HOLDER DECIMEL RULER SERVICE AWARDS

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4 hrs
5 mins
  • Item Condition: Used
  • Item Location: Clinton, WI, USA ZIP 535**
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  • Shipping Cost: $4.00
  • Handling Time: 2 business days
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  • Seller: jmboyum   Feedback: 13,214 / 100%  Top-Rated Seller Top-Rated Seller
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Pickett Microline 120 Sliding Rule White Plastic No Case or Clear Indicator Buy Now »

Pickett Microline 120 Sliding Rule White Plastic No Case or Clear Indicator

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4 hrs
10 mins
  • Item Condition: Used
  • Item Location: Woodruff, SC, USA ZIP 293**
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  • Handling Time: 3 business days
  • Seller: happygirlcreations   Feedback: 1,611 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage KEUFFEL & ESSER K&E Beginner's Slide Rule N4058W Case Buy Now »

Vintage KEUFFEL & ESSER K&E Beginner's Slide Rule N4058W Case

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$29.00
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4 hrs
15 mins
  • Item Condition: Used
  • Item Location: Pompano Beach, FL, USA ZIP 330**
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  • Shipping Cost: $4.00
  • Handling Time: 1 business day
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  • Seller: deepdiver48   Feedback: 4,700 / 100%
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Vintage Slide Rule Dietzgen Plastic Multiplex Vector Type Log Leather Case USA Buy Now »

Vintage Slide Rule Dietzgen Plastic Multiplex Vector Type Log Leather Case USA

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4 hrs
16 mins
  • Item Condition: Used
  • Item Location: New York, NY, USA ZIP 100**
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  • Handling Time: 3 business days
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  • Seller: poshbird   Feedback: 1,406 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Pickett All Metal Trig Slide Rule N1010-T Leather Case ~ 12” ~ Math Tool Buy Now »

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

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4 hrs
21 mins
Westinghouse elevator selector motor TYPE Buy Now »

Westinghouse elevator selector motor TYPE

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4 hrs
27 mins
  • Item Condition: Used
  • Item Location: Kansas City, MO, USA ZIP 641**
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  • Handling Time: 3 business days
  • Seller: d**77j   Feedback: 145 / 100%
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Vintage Keuffel & Esser N4053-3 Polyphase Slide Rule W/Case. Buy Now »

Vintage Keuffel & Esser N4053-3 Polyphase Slide Rule W/Case.

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4 hrs
35 mins
  • Item Condition: Used
  • Item Location: Hatfield, PA, USA ZIP 194**
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  • Handling Time: 3 business days
  • Seller: rancol0   Feedback: 4,602 / 99.8%
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Slide Rule, Vintage PICKETT No. N-500-ES "All Metal" Slide Rule, C 1962, USA Buy Now »
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Slide Rule, Vintage PICKETT No. N-500-ES "All Metal" Slide Rule, C 1962, USA

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4 hrs
52 mins
  • Item Condition: Used
  • Item Location: Saunderstown, RI, USA ZIP 028**
  • Shipping Type: Free
  • Handling Time: 1 business day
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  • Seller: the-kool-toolz   Feedback: 1,925 / 100%  Top-Rated Seller Top-Rated Seller
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Pickett Model N-1010-ES Trig Slide Rule With Leather Case USA Vintage 1959   Buy Now »

Pickett Model N-1010-ES Trig Slide Rule With Leather Case USA Vintage 1959

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4 hrs
54 mins
  • Item Condition: Used
  • Item Location: Culpeper, VA, USA ZIP 227**
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  • Handling Time: 3 business days
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  • Seller: justihard4   Feedback: 2,487 / 100%  Top-Rated Seller Top-Rated Seller
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Vtg Post Slide Rule 1447 Hemmi Japan Bamboo Fredrick Post Co Buy Now »
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Vtg Post Slide Rule 1447 Hemmi Japan Bamboo Fredrick Post Co

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$23.95
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5 hrs
  • Item Condition: Used
  • Item Location: Lodi, OH, USA ZIP 442**
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  • Handling Time: 3 business days
  • Seller: white6347   Feedback: 3,475 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage ACU-MATH No 150 Slide Rule Made In The USA with Sleeve & Manual EUC Buy Now »

Vintage ACU-MATH No 150 Slide Rule Made In The USA with Sleeve & Manual EUC

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5 hrs
3 mins
  • Item Condition: Used
  • Item Location: Chagrin Falls, OH, USA ZIP 440**
  • Shipping Type: Local Pick-up
  • Handling Time: 3 business days
  • Returns Accepted
  • Seller: indiansquib   Feedback: 1,103 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Lafayette 99-70302 Slide Ruler with Hard Brown Leather Case Org manual Buy Now »

Vintage Lafayette 99-70302 Slide Ruler with Hard Brown Leather Case Org manual

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5 hrs
31 mins
  • Item Condition: Used
  • Item Location: Potterville, MI, USA ZIP 488**
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  • Handling Time: 2 business days
  • Seller: tkussmaul5011   Feedback: 548 / 100%  Top-Rated Seller Top-Rated Seller
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Dietzgen Polymath Multiplex Slide Rule No.1744 Buy Now »

Dietzgen Polymath Multiplex Slide Rule No.1744

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5 hrs
33 mins
  • Item Condition:
  • Item Location: Chicago, IL, USA ZIP 606**
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  • Handling Time: 2 business days
  • Seller: paufloy-5   Feedback: 457 / 100%
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Dietzgen Maniphase Multiplex Slide Rule + Case #1732 Buy Now »

Dietzgen Maniphase Multiplex Slide Rule + Case #1732

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5 hrs
36 mins
  • Item Condition: Used
  • Item Location: Plainfield, NJ, USA ZIP 070**
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  • Handling Time: 1 business day
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  • Seller: do-over!   Feedback: 4,031 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Lutz slide rule no. 102S with leather case EUC Buy Now »

Vintage Lutz slide rule no. 102S with leather case EUC

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5 hrs
36 mins
  • Item Condition:
  • Item Location: Brattleboro, VT, USA ZIP 053**
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  • Seller: freisss   Feedback: 1,107 / 100%  Top-Rated Seller Top-Rated Seller
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Pickett All Metal Model N902-ES Slide Rule Buy Now »

Pickett All Metal Model N902-ES Slide Rule

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5 hrs
52 mins
  • Item Condition:
  • Item Location: Chicago, IL, USA ZIP 606**
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  • Handling Time: 2 business days
  • Seller: paufloy-5   Feedback: 457 / 100%
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Vintage FREDERICK POST CO. Versalog #1460 SLIDE RULE Hemmi Japan & Leather Case Buy Now »
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Vintage FREDERICK POST CO. Versalog #1460 SLIDE RULE Hemmi Japan & Leather Case

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5 hrs
55 mins
Vintage 1962 Model N-500 ES HI Pickett Slide Rule w/ Leather Holder Buy Now »

Vintage 1962 Model N-500 ES HI Pickett Slide Rule w/ Leather Holder

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5 hrs
55 mins
HANDWRITE LINE SCALE #6063- WOODWARD ASSOCIATES Buy Now »

HANDWRITE LINE SCALE #6063- WOODWARD ASSOCIATES

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6 hrs
4 mins
  • Item Condition: Used
  • Item Location: Steilacoom, WA, USA ZIP 983**
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  • Handling Time: 3 business days
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  • Seller: lovedock   Feedback: 11,882 / 100%  Top-Rated Seller Top-Rated Seller
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Olson Japan TL-472 Electrical and Radio Slide Rule Vintage Buy Now »
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Olson Japan TL-472 Electrical and Radio Slide Rule Vintage

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6 hrs
4 mins
  • Item Condition: Used
  • Item Location: Camarillo, CA, USA ZIP 930**
  • Shipping Type: Free
  • Handling Time: 3 business days
  • Seller: chpol6571   Feedback: 258 / 100%
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VINTAGE KEUFFEL AND ESSER 1947 SLIDE RULER IN ORIGINAL CASE 68 1210 MINT Buy Now »

VINTAGE KEUFFEL AND ESSER 1947 SLIDE RULER IN ORIGINAL CASE 68 1210 MINT

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6 hrs
13 mins
  • Item Condition: Used
  • Item Location: Rochester, MI, USA ZIP 483**
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  • Handling Time: 1 business day
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  • Seller: yjoerwak   Feedback: 23,766 / 99.2%
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Stow Flexible Shafting Torque Calculator Slide Vintage Buy Now »
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Stow Flexible Shafting Torque Calculator Slide Vintage

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6 hrs
21 mins
  • Item Condition: Used
  • Item Location: Washington, VT, USA ZIP 056**
  • Shipping Type: Free
  • Handling Time: 10 business days
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  • Seller: thriftpickvt   Feedback: 1,980 / 100%  Top-Rated Seller Top-Rated Seller
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Vintage Pickett Model N 1010-ES TRIG 9 Slide Rule in Hard Case Buy Now »

Vintage Pickett Model N 1010-ES TRIG 9 Slide Rule in Hard Case

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6 hrs
28 mins
  • Item Condition: Used
  • Item Location: Westmont, IL, USA ZIP 605**
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  • Handling Time: 2 business days
  • Seller: sutterhome   Feedback: 1,209 / 97.3%
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Description And Uses Of Slide Rules Paper No 27 No 88 Buy Now »
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Description And Uses Of Slide Rules Paper No 27 No 88

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6 hrs
33 mins
  • Item Condition: Used
  • Item Location: Fort Madison, IA, USA ZIP 526**
  • Shipping Type: Free
  • Handling Time: 2 business days
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  • Seller: novapeace   Feedback: 238 / 100%
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Aristo Aviat 616 Air Navigation Slide Rule with Case Germany Buy Now »

Aristo Aviat 616 Air Navigation Slide Rule with Case Germany

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$9.30
$54.30
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6 hrs
49 mins
  • Item Condition: Used
  • Item Location: Parker, CO, USA ZIP 801**
  • Shipping Type: Flat Rate
  • Shipping Cost: $9.30
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  • Handling Time: 3 business days
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  • Seller: scooter01neal   Feedback: 1,211 / 100%
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Vintage Sterling Slide Rule With Operating Instructions Buy Now »

Vintage Sterling Slide Rule With Operating Instructions

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6 hrs
53 mins
  • Item Condition: Used
  • Item Location: San Diego, CA, USA ZIP 921**
  • Shipping Type: Calculated
  • Handling Time: 2 business days
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  • Seller: capy07a   Feedback: 6,581 / 98.9%  Top-Rated Seller Top-Rated Seller
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Vintage Dietzgen Maniphase Multiplex Vector Type Log Log 1735L 10" Buy Now »
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Vintage Dietzgen Maniphase Multiplex Vector Type Log Log 1735L 10"

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$15.95
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7 hrs
13 mins
  • Item Condition: Used
  • Item Location: Jacksonville, FL, USA ZIP 322**
  • Shipping Type: Free
  • Handling Time: 1 business day
  • Returns Accepted
  • Seller: jayrod60   Feedback: 1,203 / 99.2%  Top-Rated Seller Top-Rated Seller
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Slide Rules Lot Picket Acumath 400 Sterling Precision 2 Cases Buy Now »

Slide Rules Lot Picket Acumath 400 Sterling Precision 2 Cases

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7 hrs
13 mins
  • Item Condition:
  • Item Location: Bellingham, WA, USA ZIP 982**
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  • Handling Time: 3 business days
  • Seller: circadea   Feedback: 281 / 100%
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Slide Rule Sterling Decimal Trig Log-Log Yellow 1965 Buy Now »

Slide Rule Sterling Decimal Trig Log-Log Yellow 1965

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7 hrs
14 mins
  • Item Condition: Used
  • Item Location: Fremont, MI, USA ZIP 494**
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  • Handling Time: 2 business days
  • Seller: engraveall   Feedback: 89 / 100%
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Vintage Sun Hemmi Student Mannheim Slide Rule Frederick Post 1446 Buy Now »

Vintage Sun Hemmi Student Mannheim Slide Rule Frederick Post 1446

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7 hrs
16 mins
  • Item Condition: Used
  • Item Location: Oxford, FL, USA ZIP 344**
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  • Handling Time: 2 business days
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  • Seller: smilingdogvintage   Feedback: 600 / 100%  Top-Rated Seller Top-Rated Seller
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Frederick Post Co. Versalog Post Slide Ruler Hemmi 1460 w/ Leather Case Buy Now »

Frederick Post Co. Versalog Post Slide Ruler Hemmi 1460 w/ Leather Case

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7 hrs
19 mins
  • Item Condition: Used
  • Item Location: San Diego, CA, USA ZIP 921**
  • Shipping Type: Local Pick-up
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  • Handling Time: 1 business day
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  • Seller: smmatt   Feedback: 27,351 / 99.7%
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Eco Bra Cosmos Slide Rule Nr. 1711 Germany Vintage Collectible With Original Box Buy Now »

Eco Bra Cosmos Slide Rule Nr. 1711 Germany Vintage Collectible With Original Box

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$10.00
$44.99
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7 hrs
21 mins
  • Item Condition: Used
  • Item Location: New Lenox, IL, USA ZIP 604**
  • Shipping Type: Flat Rate
  • Shipping Cost: $10.00
  • Handling Time: 1 business day
  • Returns Accepted
  • Seller: cyberbuys   Feedback: 9,675 / 100%  Top-Rated Seller Top-Rated Seller
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VTG Ohmite Ohm's Parallel Resistance Calculator Chart DAMAGED AS-IS Buy Now »

VTG Ohmite Ohm's Parallel Resistance Calculator Chart DAMAGED AS-IS

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$3.75
$7.27
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7 hrs
22 mins
  • Item Condition: Used
  • Item Location: Missouri City, TX, USA ZIP 774**
  • Shipping Type: Flat Rate
  • Shipping Cost: $3.75
  • Handling Time: 3 business days
  • Seller: funkydiscoqueen   Feedback: 2,428 / 100%
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