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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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INSTRUCTIONS FOR SLIDE RULES - 1945 Buy Now »
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INSTRUCTIONS FOR SLIDE RULES - 1945

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13 mins
Pickett Inc. N600-ES LOG LOG Slide Speed Rule Synchro Scale w/Leather Case Bid Now »
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Pickett Inc. N600-ES LOG LOG Slide Speed Rule Synchro Scale w/Leather Case

Bid: $50.00
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$50.00
43 mins
K & E KEUFFEL & ESSER SLIDE RULE RULER W/ ORIGINAL  LEATHER CASE Buy Now »
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K & E KEUFFEL & ESSER SLIDE RULE RULER W/ ORIGINAL LEATHER CASE

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44 mins
Vintage FREDERICK POST CO. 1452W (GK) Slide Rule w/ Original Box MINT CONDITION Bid Now »

Vintage FREDERICK POST CO. 1452W (GK) Slide Rule w/ Original Box MINT CONDITION

Bid: $19.99
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1 hr
1 min
Hemmi Duplex Slide Rule Parts. Cursor Bar No Spring - Hemmi Bamboo Duplex Rules. Buy Now »
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Hemmi Duplex Slide Rule Parts. Cursor Bar No Spring - Hemmi Bamboo Duplex Rules.

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1 hr
4 mins
Hemmi Duplex Slide Rule Parts. Cursor Bar w/ Spring - Hemmi Bamboo Duplex Rules. Buy Now »
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Hemmi Duplex Slide Rule Parts. Cursor Bar w/ Spring - Hemmi Bamboo Duplex Rules.

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1 hr
5 mins
Hemmi Duplex Slide Rule Parts.  Glass Window for Cursor. Buy Now »
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Hemmi Duplex Slide Rule Parts. Glass Window for Cursor.

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1 hr
6 mins
Vintage STERLING Plastics Precision Slide Rule #587 USA w case Rockwell-Standard Buy Now »

Vintage STERLING Plastics Precision Slide Rule #587 USA w case Rockwell-Standard

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1 hr
22 mins
Favorite 4056  Keuffel & Esser Co. Slide Rule in Black Cardboard Case, Vintage Bid Now » Buy Now »

Favorite 4056 Keuffel & Esser Co. Slide Rule in Black Cardboard Case, Vintage

Bid: $9.00
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1 hr
40 mins
SCARCE  K&E  VINTAGE 20 IN. POLYPHASE SLIDE RULE N4053-5 OVERALL VERY GOOD COND. Buy Now »

SCARCE K&E VINTAGE 20 IN. POLYPHASE SLIDE RULE N4053-5 OVERALL VERY GOOD COND.

Buy: $89.99 Ships:
$12.99
$102.98
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1 hr
51 mins
Vtg Keuffel & Esser Log Log Duplex Decitrig 4081-3s Slide Rule Leather Case Box Buy Now »

Vtg Keuffel & Esser Log Log Duplex Decitrig 4081-3s Slide Rule Leather Case Box

Buy: $20.00 Ships:
$8.00
$28.00
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1 hr
51 mins
Vintage ACU-Math ruler Slide Ruler. Bid Now »

Vintage ACU-Math ruler Slide Ruler.

Bid: $7.99
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1 hr
56 mins
New!! Vtg RADIO SHACK #22-504 Regulated 12-Volt POWER SUPPLY (3 Amp, 13.8 VDC) Buy Now »

New!! Vtg RADIO SHACK #22-504 Regulated 12-Volt POWER SUPPLY (3 Amp, 13.8 VDC)

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2 hrs
3 mins
VINTAGE SPIRULE ENGINEERING RULE W/ INSTRUCTIONS & ORIGINAL MAILER Buy Now »
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VINTAGE SPIRULE ENGINEERING RULE W/ INSTRUCTIONS & ORIGINAL MAILER

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2 hrs
47 mins
Vintage 1970s The Metric Converter Paper Slide Ruler Buy Now »
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Vintage 1970s The Metric Converter Paper Slide Ruler

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2 hrs
55 mins
humidity calculator Slide Rule for the Psychro-Dyne Psychrometer 80034F 80033C Buy Now »

humidity calculator Slide Rule for the Psychro-Dyne Psychrometer 80034F 80033C

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3 hrs
15 mins
Vintage German Slide Rule A.W.FABER CASTELL 1/87 RIETZ STEIN b.Nurnberg K7d. Buy Now »

Vintage German Slide Rule A.W.FABER CASTELL 1/87 RIETZ STEIN b.Nurnberg K7d.

Buy: $21.95 Ships:
$6.53
$28.48
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3 hrs
16 mins
vintage Slide Rule:  Concrete Calculator, from J.H. McNamara Buy Now »

vintage Slide Rule: Concrete Calculator, from J.H. McNamara

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3 hrs
35 mins
vintage Slide Rule: ACU-MATH model 900, professional mannheim trig in case Buy Now »

vintage Slide Rule: ACU-MATH model 900, professional mannheim trig in case

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3 hrs
35 mins
vintage Slide Rule: Dietzgen 1732 Maniphase multiplex in made case Note: Glass Buy Now »

vintage Slide Rule: Dietzgen 1732 Maniphase multiplex in made case Note: Glass

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3 hrs
35 mins
vintage slide rule: US-METRIC CONVERTER from SPERRY-SUN International inc. Buy Now »

vintage slide rule: US-METRIC CONVERTER from SPERRY-SUN International inc.

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3 hrs
35 mins
vintage Slide Rule: PICKETT N-500 ES HI log log in case c. 1962  all metal #2 Buy Now »

vintage Slide Rule: PICKETT N-500 ES HI log log in case c. 1962 all metal #2

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3 hrs
35 mins
vintage REDIMIX CONCRETE inc MANCHESTER NH slide rule concrete calculator Buy Now »

vintage REDIMIX CONCRETE inc MANCHESTER NH slide rule concrete calculator

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3 hrs
35 mins
Lumber Calculator Slide Ruler  made in Peru Indiana  pre owned Nice Bid Now »

Lumber Calculator Slide Ruler made in Peru Indiana pre owned Nice

Bid: $8.99
Ships:
$5.99
$14.98
3 hrs
37 mins
Cold War ELECTRONIC WARFARE Slide Rule ESM and ELINT - ITT Corporation Buy Now »

Cold War ELECTRONIC WARFARE Slide Rule ESM and ELINT - ITT Corporation

Buy: $7.99 Ships:
$3.50
$11.49
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3 hrs
43 mins
Frederick Post Chicago 90 #1447 Student 10" Slide Rule Mannheim Bamboo Ruler Vtg Buy Now »

Frederick Post Chicago 90 #1447 Student 10" Slide Rule Mannheim Bamboo Ruler Vtg

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3 hrs
51 mins
EXTRA CLEAN MINTY VEB MANTISSA EAST GERMAN SLIDERULE IN CASE Buy Now »

EXTRA CLEAN MINTY VEB MANTISSA EAST GERMAN SLIDERULE IN CASE

Buy: $34.99 Ships:
$8.99
$43.98
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3 hrs
52 mins
Vintage Central Tool Co - 0-1 Micrometer USA 1 1/4" opening  - 6" overall length Buy Now »

Vintage Central Tool Co - 0-1 Micrometer USA 1 1/4" opening - 6" overall length

Buy: $17.55 Ships:
$3.25
$20.80
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4 hrs
1 min
VINTAGE KEUFFEL & ESSER CO NY BEGINNER SLIDE RULE 4058W Bid Now »

VINTAGE KEUFFEL & ESSER CO NY BEGINNER SLIDE RULE 4058W

Bid: $5.99
Ships:
$5.99
$11.98
4 hrs
3 mins
Dietzgen 1914-15 Phillips Slide Rule No.1759B w/Original Case Buy Now »
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Dietzgen 1914-15 Phillips Slide Rule No.1759B w/Original Case

Buy: $50.00 Ships:
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$50.00
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4 hrs
4 mins
Antique KEUFFEL & ESSER SLIDE RULE 1932 MODEL 4092-3S SN# 571381 Bid Now » Buy Now »

Antique KEUFFEL & ESSER SLIDE RULE 1932 MODEL 4092-3S SN# 571381

Bid: $20.00
Buy: $35.00
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4 hrs
4 mins
Pickett Slide Rule #120 Made In USA Engineering Drafting EUC Buy Now »
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Pickett Slide Rule #120 Made In USA Engineering Drafting EUC

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$12.99
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4 hrs
5 mins
Keuffel & Esser Co NY Duplex Slide Rule 4088-3 ORIGINAL MANUAL Leather Case Bid Now » Buy Now »

Keuffel & Esser Co NY Duplex Slide Rule 4088-3 ORIGINAL MANUAL Leather Case

Bid: $14.14
Buy: $18.76
Ships:
$1.25
$15.39
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4 hrs
6 mins
K & E - KEUFFEL & ESSER CO. NY POCKET SLIDE RULER WITH K & E CASE Bid Now »

K & E - KEUFFEL & ESSER CO. NY POCKET SLIDE RULER WITH K & E CASE

Bid: $6.99
Ships:
$4.99
$11.98
4 hrs
9 mins
Vintage Slide Rule Wooden Lawrence Engineering Peru, Indiana. Bid Now »

Vintage Slide Rule Wooden Lawrence Engineering Peru, Indiana.

Bid: $3.99
Ships:
$10.00
$13.99
4 hrs
12 mins
2 Vintage Engineering Slide Rules - Post Co., and Engineering Instruments, Inc. Bid Now » Buy Now »

2 Vintage Engineering Slide Rules - Post Co., and Engineering Instruments, Inc.

Bid: $15.00
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4 hrs
12 mins
VINTAGE SLIDE RULE MANNHEIM TYPE SLIDE RULE ACU MATH MODEL 400 MADE IN U.S.A. Buy Now »

VINTAGE SLIDE RULE MANNHEIM TYPE SLIDE RULE ACU MATH MODEL 400 MADE IN U.S.A.

Buy: $37.77 Ships:
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4 hrs
24 mins
Vintage Wooden Slide Rule w/ Case Lawrence Engineering Service Peru Indiana 10-B Buy Now »

Vintage Wooden Slide Rule w/ Case Lawrence Engineering Service Peru Indiana 10-B

Buy: $12.00 Ships:
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4 hrs
45 mins
Vintage Pocket COMPASS 6" no 505 Bamboo Slide Rule. W/Leather Case Very Good Buy Now »

Vintage Pocket COMPASS 6" no 505 Bamboo Slide Rule. W/Leather Case Very Good

Buy: $14.00 Ships:
$5.00
$19.00
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4 hrs
56 mins
FREDERICK POST 1447 SLIDE RULE With CASE EXCELLENT CONDITION Buy Now »

FREDERICK POST 1447 SLIDE RULE With CASE EXCELLENT CONDITION

Buy: $14.95 Ships:
$4.00
$18.95
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5 hrs
6 mins


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