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Crunch Labs By Mark Rober Disc Launcher Sealed Box. Will Ship Same Day

Crunch Labs By Mark Rober Disc Launcher Sealed Box. Will Ship Same Day

$45.99$23.00

{} Crunch Labs By Mark Rober Squirrel Showdown NEW AND SEALED

{} Crunch Labs By Mark Rober Squirrel Showdown NEW AND SEALED

$40.00$20.00

1994 OWLS HEAD MUSEUM AUCTION TECHNOLOGY CATALOG STEAM EDISON DYNAMO

1994 OWLS HEAD MUSEUM AUCTION TECHNOLOGY CATALOG STEAM EDISON DYNAMO

$15.00$7.50

Box of 4 New Buss TL 20 Tron Edison base Time Delay Fuses 20A fuse

Box of 4 New Buss TL 20 Tron Edison base Time Delay Fuses 20A fuse

$6.25$3.13

Defcon 31 Hacking Conference Legend Of Zelda Badge/SAO/Challenge Coin

Defcon 31 Hacking Conference Legend Of Zelda Badge/SAO/Challenge Coin

$200.00$100.00

Vintage Radio Shack Resistor Capacitor Inductor Color Code Guide 271-1210 🇺🇸

Vintage Radio Shack Resistor Capacitor Inductor Color Code Guide 271-1210 🇺🇸

$10.75$5.38

Crunch Labs By Mark Rober Duck Game Brand New

Crunch Labs By Mark Rober Duck Game Brand New

$24.00$12.00

Vintage DIETZGEN No. 403F Engineer Field Note Book 50% Rag Paper USA Used

Vintage DIETZGEN No. 403F Engineer Field Note Book 50% Rag Paper USA Used

$26.95$13.47

Vintage Technical Drawing Set By Gebruder Haff ~ Germany

Vintage Technical Drawing Set By Gebruder Haff ~ Germany

$24.99$12.49

Silicon Wafer Carrier Cassette H61-4 RARE With Snap On Lid 25 Slots

Silicon Wafer Carrier Cassette H61-4 RARE With Snap On Lid 25 Slots

$49.00$24.50

Vintage ~ Navigation Straight Pattern Divider w/Removable Arm ~ 5”

Vintage ~ Navigation Straight Pattern Divider w/Removable Arm ~ 5”

$21.75$10.88

Vintage Architect Tools Charm Bracelet Engineer Slide Rule

Vintage Architect Tools Charm Bracelet Engineer Slide Rule

$25.00$12.50

DRAFTING DRAWING SET ORIGINAL RICHTER P Va Prazisionsreibzeuge VINTAGE DDR RARE

DRAFTING DRAWING SET ORIGINAL RICHTER P Va Prazisionsreibzeuge VINTAGE DDR RARE

$65.35$32.67

19c Elektrizitäts-Aktiengesellschaft Schuckert tram Nuremberg Siemens germany

19c Elektrizitäts-Aktiengesellschaft Schuckert tram Nuremberg Siemens germany

$400.00$200.00

P. I. C 121 Slide Rule. In Case.

P. I. C 121 Slide Rule. In Case.

$30.61$15.30

Antique PhotoVolt Electronic PH Meter Mo. 100 Vintage Tester Wood Case Reagents

Antique PhotoVolt Electronic PH Meter Mo. 100 Vintage Tester Wood Case Reagents

$89.96$44.98

ANTIQUE BOXWOOD RECTANGULAR SERVICE PROTRACTOR & MAP SCALE, W.F. STANLEY LONDON

ANTIQUE BOXWOOD RECTANGULAR SERVICE PROTRACTOR & MAP SCALE, W.F. STANLEY LONDON

$45.99$23.00

Vintage set of architects brass drawing stencils old tools by A G Thornton

Vintage set of architects brass drawing stencils old tools by A G Thornton

$177.51$88.75

Vintage Hudson River State Hospital Engineering Stickers, Full Sheet

Vintage Hudson River State Hospital Engineering Stickers, Full Sheet

$19.99$9.99

Crunch Labs By Mark Rober. Rocket Revolver New Open Box - All parts sealed insid

Crunch Labs By Mark Rober. Rocket Revolver New Open Box - All parts sealed insid

$27.50$13.75

Vintage STIHL German Chainsaw Tools Saw Blade Logo Engineering Pin Badge

Vintage STIHL German Chainsaw Tools Saw Blade Logo Engineering Pin Badge

$12.00$6.00

Rare Ford Aerospace & Communications Corporation Aeronutronic Division Souvenir

Rare Ford Aerospace & Communications Corporation Aeronutronic Division Souvenir

$500.00$250.00

Crunch Labs By Mark Rober Drawing Machine Will Ship Same Day

Crunch Labs By Mark Rober Drawing Machine Will Ship Same Day

$49.99$25.00

Vtg 1970s Keuffel & Esser Navigation Plotting Instrument Set with Case Germany

Vtg 1970s Keuffel & Esser Navigation Plotting Instrument Set with Case Germany

$17.50$8.75

1950s Slide Ruler RHOADS MECHANICAL Leathers Belt Length Calculator

1950s Slide Ruler RHOADS MECHANICAL Leathers Belt Length Calculator

$19.95$9.97

** Lot of 100 pcs - SHEET METAL SCREWS - #8 x 1/2 - WHITE Coated - HEX HEAD *

** Lot of 100 pcs - SHEET METAL SCREWS - #8 x 1/2 - WHITE Coated - HEX HEAD *

$9.66$4.83

Marion Steam Shovel Watch Fob Slf1A3-30#337

Marion Steam Shovel Watch Fob Slf1A3-30#337

$16.95$8.47

Ohmite Parallel Resistance Calculator Ohm's Law Calculator Vintage

Ohmite Parallel Resistance Calculator Ohm's Law Calculator Vintage

$25.00$12.50

Rare Amsler Signed Type 4 Planimeter & Stamped Stanley London, Velvet Box 📐🕰️

Rare Amsler Signed Type 4 Planimeter & Stamped Stanley London, Velvet Box 📐🕰️

$134.95$67.47

Early 20th C surveyors level by W F Stanley -In mahogany case "For Parts Repair"

Early 20th C surveyors level by W F Stanley -In mahogany case "For Parts Repair"

$136.80$68.40

DRAFTING DRAWING SET ORIGINAL RICHTER GERMANY Engineering CASED VTG

DRAFTING DRAWING SET ORIGINAL RICHTER GERMANY Engineering CASED VTG

$130.85$65.42

2 1/2 Unused Blank Silicon wafer Discs - 8 Inches with Fluoroware case

2 1/2 Unused Blank Silicon wafer Discs - 8 Inches with Fluoroware case

$149.95$74.97

Thew Lorain Ehrbar Inc. Pelham, Westbury NY Watch Fob Shl1A4-2

Thew Lorain Ehrbar Inc. Pelham, Westbury NY Watch Fob Shl1A4-2

$5.95$2.98

Vintage Staedtler Mars Superbow Compass Set 2 Pieces & Tube with Lead Germany

Vintage Staedtler Mars Superbow Compass Set 2 Pieces & Tube with Lead Germany

$7.99$4.00

1942 Mechanics Vest Pocket Reference Wolfe Phelps Drafting Engineering Machine

1942 Mechanics Vest Pocket Reference Wolfe Phelps Drafting Engineering Machine

$8.99$4.50

Vintage Keuffel & Esser Co. Military Compass

Vintage Keuffel & Esser Co. Military Compass

$22.00$11.00

47 Sheets Vintage K+E Keuffel & Esser No. 47 0463 11" x 16.5” Graph Paper

47 Sheets Vintage K+E Keuffel & Esser No. 47 0463 11" x 16.5” Graph Paper

$25.00$12.50

Crunch Labs By Mark Rober Duck Game Brand New

Crunch Labs By Mark Rober Duck Game Brand New

$40.00$20.00

Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool

Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool

$22.64$11.32

Set of 5 Brass Drafting Tool 9"Marine Navigational Proportional Divider Compass

Set of 5 Brass Drafting Tool 9"Marine Navigational Proportional Divider Compass

$76.49$38.24

Vintage National Technical Schools Electronics Lessons No 1-40 COMPLETE

Vintage National Technical Schools Electronics Lessons No 1-40 COMPLETE

$64.95$32.48

Rotring Vintage Compass Set Precision Drawing Instruments

Rotring Vintage Compass Set Precision Drawing Instruments

$30.54$15.27

Vintage Slide Rule Calculator HONEYWELL Thermostat Heater Selector Minneapolis

Vintage Slide Rule Calculator HONEYWELL Thermostat Heater Selector Minneapolis

$18.99$9.49

DIETZGEN 422 Engineers Cook County IL 127th Mining Transit Book 1921

DIETZGEN 422 Engineers Cook County IL 127th Mining Transit Book 1921

$52.38$26.19

Vintage Hilger Watts Survey Tripod

Vintage Hilger Watts Survey Tripod

$219.95$109.97

Mechanical DRAFTING SET SKALA PRECISION SET Technical Drawing Engineering

Mechanical DRAFTING SET SKALA PRECISION SET Technical Drawing Engineering

$19.99$9.99

Vintage GE Aerospace Project 80 Service Award Wooden Pencil Holder & Ceramic Mug

Vintage GE Aerospace Project 80 Service Award Wooden Pencil Holder & Ceramic Mug

$74.50$37.25

Vintage Produx Original Standard Calculator, Case, and Directions

Vintage Produx Original Standard Calculator, Case, and Directions

$15.00$7.50

Crunch Labs By Mark Rober Duck Game Brand New

Crunch Labs By Mark Rober Duck Game Brand New

$40.00$20.00

Crunch Labs By Mark Rober Tripwire Sealed Box

Crunch Labs By Mark Rober Tripwire Sealed Box

$47.00$23.50

Vintage 1948 INTERNATIONAL NICKEL Company (New York) INCO Publications List B!

Vintage 1948 INTERNATIONAL NICKEL Company (New York) INCO Publications List B!

$12.99$6.50

Vintage Technical Drawing Set Complete Drafting Tools in Case Engineering

Vintage Technical Drawing Set Complete Drafting Tools in Case Engineering

$8.09$4.04

ARCHITECTURAL DRAWING DESIGN -230 BOOKS ON DVD- DRAW PLANS DRAFTING BUILDING 273

ARCHITECTURAL DRAWING DESIGN -230 BOOKS ON DVD- DRAW PLANS DRAFTING BUILDING 273

$5.63$2.81

Vintage BRL Slide Rule Academy 300 Cased Made England

Vintage BRL Slide Rule Academy 300 Cased Made England

$13.45$6.72

Antique Victorian Drafting Set Compass Tools Drawing Instruments Wood Box

Antique Victorian Drafting Set Compass Tools Drawing Instruments Wood Box

$82.99$41.49

Full Circle Protractor by J. Casartelli, Manchester

Full Circle Protractor by J. Casartelli, Manchester

$177.51$88.75

Crunch Labs by Mark Rober, MIRROR BANK Build Box, New with Open Box

Crunch Labs by Mark Rober, MIRROR BANK Build Box, New with Open Box

$30.50$15.25

VTG 1953 PAUL KLIPSCH PAPER 'LOUDSPEAKER DEVELOPMENTS' CONFERENCE PAPER/BOOKLET!

VTG 1953 PAUL KLIPSCH PAPER 'LOUDSPEAKER DEVELOPMENTS' CONFERENCE PAPER/BOOKLET!

$29.99$14.99

Vintage 1941 Pyrex Glass 2” BOBECHE Candle Drip Shields Ipswich South Dakota

Vintage 1941 Pyrex Glass 2” BOBECHE Candle Drip Shields Ipswich South Dakota

$17.99$8.99

Stock and Bond Yield & Profit Finder Calculator Slide Rule 1965 I. Taxel Co.

Stock and Bond Yield & Profit Finder Calculator Slide Rule 1965 I. Taxel Co.

$9.99$5.00

Twin Bridges MT Carl C Adams Civil Engineer Surveyor Receipt 1920 e3-2

Twin Bridges MT Carl C Adams Civil Engineer Surveyor Receipt 1920 e3-2

$8.90$4.45

Vtg National Technical Schools Radiotelephone License Prep Study Guide

Vtg National Technical Schools Radiotelephone License Prep Study Guide

$12.49$6.25

1932 German Engineering Technology Wonders Trade Card TRUMP DUMPER Wagenkipper

1932 German Engineering Technology Wonders Trade Card TRUMP DUMPER Wagenkipper

$3.99$2.00

Vintage DIETZGEN No. 403T Engineer Field Note Book 98 Pages Front/back - 1902

Vintage DIETZGEN No. 403T Engineer Field Note Book 98 Pages Front/back - 1902

$25.19$12.60

Vintage PROPORTIONAL DIVIDERS 6.5" Military In Box

Vintage PROPORTIONAL DIVIDERS 6.5" Military In Box

$22.65$11.32

Brown & Sharpe 509A telescoping gage set with original box, 6 inch

Brown & Sharpe 509A telescoping gage set with original box, 6 inch

$54.95$27.48

1997 119 PP OWLS HEAD TRANSPORTATION MUSEUM AUCTION CATALOG STEAM ENGINES TOYS

1997 119 PP OWLS HEAD TRANSPORTATION MUSEUM AUCTION CATALOG STEAM ENGINES TOYS

$30.00$15.00

Chart of Electromagnetic Radiations 1940s Vintage Science Poster - 20x30

Chart of Electromagnetic Radiations 1940s Vintage Science Poster - 20x30

$18.95$9.47

Crunch Labs By Mark Rober Repeating X Bow New in box

Crunch Labs By Mark Rober Repeating X Bow New in box

$42.00$21.00

2 Vintage Compass Souvenir Keychains Clinic Rochester MN City Hall Los Angeles

2 Vintage Compass Souvenir Keychains Clinic Rochester MN City Hall Los Angeles

$15.00$7.50

1915 American Vulcanized Fiber Article Charles Almy Jr Metallurgical Engineering

1915 American Vulcanized Fiber Article Charles Almy Jr Metallurgical Engineering

$12.99$6.50

ANTIQUE 1930s ANBERCROMBIE & FITCH OPISOMETER WITH OSTRICH CASE MADE IN GERMANY

ANTIQUE 1930s ANBERCROMBIE & FITCH OPISOMETER WITH OSTRICH CASE MADE IN GERMANY

$32.49$16.25

ANTIQUE BRASS DRAUGHTSMAN'S COMPASS/DIVIDERS?

ANTIQUE BRASS DRAUGHTSMAN'S COMPASS/DIVIDERS?

$15.30$7.65

Crunch Labs By Mark Rober Galton’s Goalie Sealed Box

Crunch Labs By Mark Rober Galton’s Goalie Sealed Box

$49.99$25.00

Crunch Labs By Mark Rober Magnus Flyer Sealed Box

Crunch Labs By Mark Rober Magnus Flyer Sealed Box

$49.99$25.00

Crunch Labs By Mark Rober Domino Catapult Sealed Box

Crunch Labs By Mark Rober Domino Catapult Sealed Box

$49.99$25.00

Vintage Speed-O-Print Stylus Tooled Steel Plastic Handle 2 Stylus With Box

Vintage Speed-O-Print Stylus Tooled Steel Plastic Handle 2 Stylus With Box

$19.00$9.50

Vintage Marion Electrical Instrument Co.Meter:Multiscale ~ AC / DC Volt -ohms

Vintage Marion Electrical Instrument Co.Meter:Multiscale ~ AC / DC Volt -ohms

$12.99$6.50

Vintage Miniature Compass Brass Made In Germany

Vintage Miniature Compass Brass Made In Germany

$29.99$14.99

1901 Good Roads Machinery Co. New Metal Sign: Kennett Square, Pennsylvania

1901 Good Roads Machinery Co. New Metal Sign: Kennett Square, Pennsylvania

$19.88$9.94

Adult Science Magazine BEST SELECTION 05 Desktop Robot Vacuum Cleaner

Adult Science Magazine BEST SELECTION 05 Desktop Robot Vacuum Cleaner

$64.48$32.24

Super Collider Button Pin

Super Collider Button Pin

$9.99$5.00

Crunch Labs By Mark Rober Coin Spinner Sealed Box

Crunch Labs By Mark Rober Coin Spinner Sealed Box

$49.99$25.00

Repair & Maintenance of Small Gasoline Engines 1976 HC/DJ George R. Drake

Repair & Maintenance of Small Gasoline Engines 1976 HC/DJ George R. Drake

$14.99$7.50

VINTAGE ~ SMALL HAND HELD SURVIVAL COMPASS ( NO STRAP)

VINTAGE ~ SMALL HAND HELD SURVIVAL COMPASS ( NO STRAP)

$16.99$8.49

Crunch Lab's Domino Catapult by Mark Rober - Open box

Crunch Lab's Domino Catapult by Mark Rober - Open box

$34.00$17.00

Vintage Halliburton Services Slide Rule Calculator 1978 USA Pressure Area Volume

Vintage Halliburton Services Slide Rule Calculator 1978 USA Pressure Area Volume

$15.30$7.65

1943 Derck’s Gauge Dial Co. Simple-Fyer Dial and Decimal Threads Tapers

1943 Derck’s Gauge Dial Co. Simple-Fyer Dial and Decimal Threads Tapers

$25.00$12.50

Vintage Vickers Military Cooke S330 Surveyors Theodolite In Case

Vintage Vickers Military Cooke S330 Surveyors Theodolite In Case

$67.33$33.66

Vintage Staedtler Mars Masterbow Compass & Case 551 00 SK

Vintage Staedtler Mars Masterbow Compass & Case 551 00 SK

$15.90$7.95

565a Rare Antique 3 Leg Brass & Steel Spherical Globe Map Compass Dividers 6"

565a Rare Antique 3 Leg Brass & Steel Spherical Globe Map Compass Dividers 6"

$171.39$85.69

Vintage Bamboo Sun Hemmi Slide Rule No 251 with Box Made In Japan

Vintage Bamboo Sun Hemmi Slide Rule No 251 with Box Made In Japan

$19.99$9.99

Vintage Rotring Protractor Compass Drafting Tool W/Spare Leads - Boxed

Vintage Rotring Protractor Compass Drafting Tool W/Spare Leads - Boxed

$11.01$5.50

Antique technical drawing/draughtsmen set in lockable mahogany case

Antique technical drawing/draughtsmen set in lockable mahogany case

$306.05$153.03

Book: COMMUNICATION ENGINEERING 1937 Everitt

Book: COMMUNICATION ENGINEERING 1937 Everitt

$15.00$7.50

Crunch Labs by Mark Rober, AIR BALL Build Box, Sealed Box

Crunch Labs by Mark Rober, AIR BALL Build Box, Sealed Box

$40.00$20.00

Vtg Ames Precision Rockwell Scales Hardness Tester Model 4 w/ Box & Accessories

Vtg Ames Precision Rockwell Scales Hardness Tester Model 4 w/ Box & Accessories

$945.00$472.50

Vintage Morilla Technical Drawing Drafting Tool Set Dividers and Compasses

Vintage Morilla Technical Drawing Drafting Tool Set Dividers and Compasses

$26.94$13.47

CST/Berger Surveyors Staff Telescopic Measuring Ruler Aluminum. 20Ft.

CST/Berger Surveyors Staff Telescopic Measuring Ruler Aluminum. 20Ft.

$190.00$95.00

DRAFTING DRAWING SET ORIGINAL RICHTER GERMANY Engineering CASED VTG

DRAFTING DRAWING SET ORIGINAL RICHTER GERMANY Engineering CASED VTG

$104.17$52.09