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 Frederick Post Co 1444K Slide Rule with Case and Instructions Bid Now »

Vintage Frederick Post Co 1444K Slide Rule with Case and Instructions

Bid: $4.95
Ships:
$3.99
$8.94
6 mins
LAFAYETTE F-686 VECTOR LOG SLIDE RULE - MADE IN JAPAN Buy Now »

LAFAYETTE F-686 VECTOR LOG SLIDE RULE - MADE IN JAPAN

Buy: $22.99 Ships:
$9.85
$32.84
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7 mins
TERRIFIC K & E 4081-3 LOG LOG DUPLEZ DECITRIG KEUFFEL & ESSER SLIDE RULE W/CASE Bid Now »

TERRIFIC K & E 4081-3 LOG LOG DUPLEZ DECITRIG KEUFFEL & ESSER SLIDE RULE W/CASE

Bid: $8.50
Ships:
$9.95
$18.45
19 mins
Vtg Slide Rule Sterling 587 Case Instructions Advertising Bunker Ramo Amphenol Buy Now »
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Vtg Slide Rule Sterling 587 Case Instructions Advertising Bunker Ramo Amphenol

Buy: $14.75 Ships:
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$14.75
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19 mins
Vintage Engineering Instruments Inc Wooden Sliding Ruler Engineering Made in USA Buy Now »

Vintage Engineering Instruments Inc Wooden Sliding Ruler Engineering Made in USA

Buy: $11.32 Ships:
$8.31
$19.63
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20 mins
Keuffel & Esser 4053-3 Polyphase and K-12 Prep Slide Rules Buy Now »
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Keuffel & Esser 4053-3 Polyphase and K-12 Prep Slide Rules

Buy: $55.00 Ships:
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$55.00
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55 mins
Sterling Precision Slide Rule -Made In the USA White In Color. Nonsmoking Home Buy Now »

Sterling Precision Slide Rule -Made In the USA White In Color. Nonsmoking Home

Buy: $15.50 Ships:
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$15.50
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56 mins
Vintage Graphic Date Finder calendar wheel Buy Now »
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Vintage Graphic Date Finder calendar wheel

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$9.99
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1 hr
Ultra Rare Old Vintage Slide Rule Frederic  with a box Buy Now »
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Ultra Rare Old Vintage Slide Rule Frederic with a box

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$12.99
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1 hr
10 mins
Lutz # 252 Slide Ruler Bid Now »

Lutz # 252 Slide Ruler

Bid: $10.50
Ships:
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$10.50
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1 hr
10 mins
TWO Dietzgen 1970 Decimal Equivalence Of 1 Inch Chart Wallet Size Advertise Buy Now »

TWO Dietzgen 1970 Decimal Equivalence Of 1 Inch Chart Wallet Size Advertise

Buy: $8.72 Ships:
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$8.72
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1 hr
12 mins
Vintage Motor Data Calculator Square D Company 1969 Issue 2 Sliding Buy Now »
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Vintage Motor Data Calculator Square D Company 1969 Issue 2 Sliding

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$7.99
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1 hr
14 mins
Vintage K&E Keuffel & Esser 4139 Cooke Radio Slide Rule With Case Buy Now »

Vintage K&E Keuffel & Esser 4139 Cooke Radio Slide Rule With Case

Buy: $45.99 Ships:
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$45.99
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1 hr
17 mins
VINTAGE WHITE PICKETT SLIDE RULE #120 W/FAUX LEATHER CASE  & Original Manual Buy Now »

VINTAGE WHITE PICKETT SLIDE RULE #120 W/FAUX LEATHER CASE & Original Manual

Buy: $9.99 Ships:
$2.77
$12.76
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1 hr
48 mins
Vintage 1954 KEUFFEL & ESSER  SLIDE RULE CATALOG + Prices+ HOW TO CHOOSE Books Bid Now »
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Vintage 1954 KEUFFEL & ESSER SLIDE RULE CATALOG + Prices+ HOW TO CHOOSE Books

Bid: $30.75
Ships:
Free
$30.75
1 hr
55 mins
Small Model No. 601 UTO Danish Made Slide Rule & Case Buy Now »
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Small Model No. 601 UTO Danish Made Slide Rule & Case

Buy: $16.99 Ships:
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$16.99
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2 hrs
19 mins
VIntage Engineering Instruments Model 10B 10" Slide Rule w/ Manual VG COND!!! Buy Now »

VIntage Engineering Instruments Model 10B 10" Slide Rule w/ Manual VG COND!!!

Buy: $9.99 Ships:
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$9.99
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3 hrs
EUGENE DIETZGEN NO. 1768 P MANIPHASE SLIDE RULE- with Manual  JAPAN Buy Now »
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EUGENE DIETZGEN NO. 1768 P MANIPHASE SLIDE RULE- with Manual JAPAN

Buy: $29.00 Ships:
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$29.00
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3 hrs
7 mins
Vintage K&E Keuffel & Esser Co. 4081-3 Log Log Duplex Decitrig SLIDE RULE w/Case Buy Now »

Vintage K&E Keuffel & Esser Co. 4081-3 Log Log Duplex Decitrig SLIDE RULE w/Case

Buy: $31.99 Ships:
$7.96
$39.95
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4 hrs
10 mins
Vintage K & E Keuffel & Esser Slide Rule in Original Case Buy Now »

Vintage K & E Keuffel & Esser Slide Rule in Original Case

Buy: $50.00 Ships:
$10.00
$60.00
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4 hrs
20 mins
Pickett Slide Rule N902-ES 10" Simplex Trig made in USA Box with Case  Buy Now »
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Pickett Slide Rule N902-ES 10" Simplex Trig made in USA Box with Case

Buy: $34.49 Ships:
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$34.49
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6 hrs
16 mins
Pickett N902-ES All Metal Slide Rule Made in USA Buy Now »

Pickett N902-ES All Metal Slide Rule Made in USA

Buy: $29.99 Ships:
$3.99
$33.98
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6 hrs
25 mins
Vintage 6" Slide Rule with Case Japan NOS Buy Now »

Vintage 6" Slide Rule with Case Japan NOS

Buy: $16.95 Ships:
$2.45
$19.40
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6 hrs
37 mins
1959 Pickett N4-ES Log Log Dual-Base Vector Slide Rule, Leather Case, all metal Buy Now »

1959 Pickett N4-ES Log Log Dual-Base Vector Slide Rule, Leather Case, all metal

Buy: $44.99 Ships:
$12.00
$56.99
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7 hrs
13 mins
Vintage Pickett 1010-T Slide Rule Wilth Brown Leather Case Buy Now »

Vintage Pickett 1010-T Slide Rule Wilth Brown Leather Case

Buy: $69.99 Ships:
$3.99
$73.98
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7 hrs
22 mins
VINTAGE MECHANICAL CALCULATOR ARITHMA ADDIATOR ADDING MACHINE GERMANY STYLUS Cas Buy Now »

VINTAGE MECHANICAL CALCULATOR ARITHMA ADDIATOR ADDING MACHINE GERMANY STYLUS Cas

Buy: $59.99 Ships:
$3.99
$63.98
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7 hrs
26 mins
Rare 25 Scale Vintage 1950's Dietzgen 1733 Slide Rule Original Storage Sleeve Buy Now »

Rare 25 Scale Vintage 1950's Dietzgen 1733 Slide Rule Original Storage Sleeve

Buy: $38.21 Ships:
$4.95
$43.16
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8 hrs
21 mins
The Quick & Easy Lawrence Slide Rule Instruction Book - Original from 1939 Buy Now »

The Quick & Easy Lawrence Slide Rule Instruction Book - Original from 1939

Buy: $15.50 Ships:
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$15.50
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9 hrs
29 mins
Aristo-Maverick Charvoz Vtg Slide Ruler 20-0195 w/ Original Manual 1969 Buy Now »

Aristo-Maverick Charvoz Vtg Slide Ruler 20-0195 w/ Original Manual 1969

Buy: $24.50 Ships:
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$24.50
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9 hrs
30 mins
K&E Doric Model N9081-3 slide rule - 12" W/ Leather case Buy Now »

K&E Doric Model N9081-3 slide rule - 12" W/ Leather case

Buy: $22.79 Ships:
$5.00
$27.79
Buy now
10 hrs
4 mins
Pickett 200-ES Pocket Trig metal slide rule / 6 inch / Union Carbide on case Buy Now »
Free Shipping

Pickett 200-ES Pocket Trig metal slide rule / 6 inch / Union Carbide on case

Buy: $39.95 Ships:
Free
$39.95
Buy now
11 hrs
26 mins
Pickett 200-ES Pocket Trig metal slide rule / 6 inch / Union Carbide on case Buy Now »
Free Shipping

Pickett 200-ES Pocket Trig metal slide rule / 6 inch / Union Carbide on case

Buy: $39.95 Ships:
Free
$39.95
Buy now
11 hrs
32 mins
Vntg Dietzgen slide rule 1732 maniphase multiplex decimal trig type log rule Buy Now »

Vntg Dietzgen slide rule 1732 maniphase multiplex decimal trig type log rule

Buy: $7.95 Ships:
$7.00
$14.95
Buy now
11 hrs
41 mins
Vintage Frederick Post Co. #1452P 11"  Slide Rule w/ orig case Buy Now »

Vintage Frederick Post Co. #1452P 11" Slide Rule w/ orig case

Buy: $14.95 Ships:
$4.95
$19.90
Buy now
12 hrs
Vintage Uchida Triangle Scale Ruler Model 907-1221 with Clear Case made in Japan Buy Now »

Vintage Uchida Triangle Scale Ruler Model 907-1221 with Clear Case made in Japan

Buy: $12.75 Ships:
$4.25
$17.00
Buy now
12 hrs
3 mins
Keuffel & Esser K & E Beginner Slide Rule 4058W W/Original Slip Case Made in USA Bid Now »

Keuffel & Esser K & E Beginner Slide Rule 4058W W/Original Slip Case Made in USA

Bid: $9.99
Ships:
$5.00
$14.99
12 hrs
18 mins
Vintage Pickett Slide No. 120 with Instruction Book Bid Now »

Vintage Pickett Slide No. 120 with Instruction Book

Bid: $4.90
Ships:
$9.44
$14.34
12 hrs
27 mins
VINTAGE LAWRENCE ENGINEERING SERVICE  10-B SIDE RULE !!! VERY GOOD CONDITION !!! Buy Now »
Free Shipping

VINTAGE LAWRENCE ENGINEERING SERVICE 10-B SIDE RULE !!! VERY GOOD CONDITION !!!

Buy: $12.99 Ships:
Free
$12.99
Buy now
12 hrs
30 mins


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