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    • Science & Medicine (1930-Now)

    Science & Medicine Collectibles (1930-Now)

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    • Engineering

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    77,644 Results

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    • Lot of 2-10" Black Gold Pans w/Bottle Snuffer-Panning Kit-Mining Backpack

      Lot of 2-10" Black Gold Pans w/Bottle Snuffer-Panning Kit-Mining Backpack

      C $16.29
      Was: C $23.09
      C $10.71 shipping
      184 sold
      SPONSORED
    • ASR Outdoor 12" Pocket Mini Gold Sluice Box, TPR Rubber Gold Groove Mat

      ASR Outdoor 12" Pocket Mini Gold Sluice Box, TPR Rubber Gold Groove Mat

      C $25.81
      Was: C $40.75
      C $11.13 shipping
      176 sold
      SPONSORED
    • Brass Monocular Binocular Telescope Vintage Antique Nautical Spyglass Scope

      Brass Monocular Binocular Telescope Vintage Antique Nautical Spyglass Scope

      C $30.02
      Free shipping
      or Best Offer
      5 watching
      SPONSORED
    • Faber Castell 2/83N Slide Rule,Clean and Functional English Manual + Bonus

      Faber Castell 2/83N Slide Rule,Clean and Functional English Manual + Bonus

      C $360.00
      C $45.00 shipping
      or Best Offer
      SPONSORED
    • OXOLIN Ointment 0.25%, OKSOLIN Protects against virus 10g Product of Ukraine

      OXOLIN Ointment 0.25%, OKSOLIN Protects against virus 10g Product of Ukraine

      C $8.14
      C $12.23 shipping
    • Vintage Brass Kaleidoscope With Case Antique Maritime Collectible Children Gift

      Vintage Brass Kaleidoscope With Case Antique Maritime Collectible Children Gift

      C $32.78
      Free shipping
      or Best Offer
      15 watching
    • UNI Adapter DS - connect DryShield mouthpieces directly to your suction handle

      UNI Adapter DS - connect DryShield mouthpieces directly to your suction handle

      C $20.38
      Free shipping
      or Best Offer
      174 sold
    • Gold rush panning kit with backpack; 10-piece prospecting tools for adults and

      Gold rush panning kit with backpack; 10-piece prospecting tools for adults and

      C $33.96
      Was: C $100.56
      C $57.21 shipping
    • Pickett N500 Slide Rule

      Pickett N500 Slide Rule

      C $28.54
      Only 1 left!
    • Upper and Lower Full Dentures/False Teeth,Pre Made Design, Brand New.

      Upper and Lower Full Dentures/False Teeth,Pre Made Design, Brand New.

      C $183.45
      C $24.46 shipping
      or Best Offer
    • Mercury - Collectable element sample Hg 25 grams

      Mercury - Collectable element sample Hg 25 grams

      C $74.74
    • rechargeable Ultrasonic Mini Mesh Nebulzer-Inhale Mist Machine Adult Kids Mask

      rechargeable Ultrasonic Mini Mesh Nebulzer-Inhale Mist Machine Adult Kids Mask

      C $53.66
      6 watching
    • Mini Portable Pull Type Magnifier 20X Pocket Magnifying Glass Led Lights Loupe

      Mini Portable Pull Type Magnifier 20X Pocket Magnifying Glass Led Lights Loupe

      C $7.73
      Was: C $8.14
      Free shipping
    • Hughes-Owens Versatrig  Slide Ruler 3413121 Sun Hemmi Japan Leather Case EUC

      Hughes-Owens Versatrig Slide Ruler 3413121 Sun Hemmi Japan Leather Case EUC

      C $127.43
      C $29.99 shipping
      or Best Offer
      SPONSORED
    • ADDIATOR DUPLEX antique Mechanical Calculator w/ Leather Case & Stylus. Germany

      ADDIATOR DUPLEX antique Mechanical Calculator w/ Leather Case & Stylus. Germany

      C $78.75
      or Best Offer
      SPONSORED
    • Vintage Faber Castell 52/81 Novo-Mentor Slide Rule in Box;Germany

      Vintage Faber Castell 52/81 Novo-Mentor Slide Rule in Box;Germany

      C $350.00
      C $35.00 shipping
      or Best Offer
      SPONSORED
    • Staedtler Compass 556 00 WP Geo Master Germany

      New ListingStaedtler Compass 556 00 WP Geo Master Germany

      C $8.14
    • Green 8 Inch Gold Mining Pan for Gold Prospecting 2 Riffle Types

      Green 8 Inch Gold Mining Pan for Gold Prospecting 2 Riffle Types

      C $9.50
      Was: C $10.00
      C $10.71 shipping
      73 sold
    • Supernova Triangular Kaleidoscope Make Lots Of Design with The Help of Tourch

      Supernova Triangular Kaleidoscope Make Lots Of Design with The Help of Tourch

      C $62.65
      Was: C $74.58
      Free shipping
      or Best Offer
      36 watching
    • 1 Bottle 250g 98.0% Molybdenum Disulfide MoS2 Powder Reagent Lab Chemical

      1 Bottle 250g 98.0% Molybdenum Disulfide MoS2 Powder Reagent Lab Chemical

      C $24.45
      C $2.02 shipping
      or Best Offer
      Only 2 left
    • MSA Comfo cap low vein  Mining Hat  Handmade Liner (liner Only)

      MSA Comfo cap low vein Mining Hat Handmade Liner (liner Only)

      C $38.05
      C $24.00 shipping
      19 watching
    • Sphygmotensiomètre Colson-Heubes CC3060301

      New ListingSphygmotensiomètre Colson-Heubes CC3060301

      C $44.54
      C $59.41 shipping
    • 3-1 Barometer Thermometer Hygrometer Weather Station Air Pressure Humidity Meter

      3-1 Barometer Thermometer Hygrometer Weather Station Air Pressure Humidity Meter

      C $28.06
      Was: C $29.86
      Free shipping
      25 sold
    • Scale Roman Iron Forge 19th Tool Antique Old BAR Scales Cast Iron

      New ListingScale Roman Iron Forge 19th Tool Antique Old BAR Scales Cast Iron

      C $44.54
      C $74.28 shipping
    • Vintage slide rule USSR ! Free Shipping!

      Vintage slide rule USSR ! Free Shipping!

      C $33.96
      Free shipping
      204 sold
    • Chlorophyllipt/ ХЛОРОФІЛІПТ 25 ml Product of Ukraine Expiration date: 12.2024

      Chlorophyllipt/ ХЛОРОФІЛІПТ 25 ml Product of Ukraine Expiration date: 12.2024

      C $9.51
      C $12.23 shipping
      Only 2 left
    • BRUNING 64-581 PROPORTIONAL DIVIDER WITH DECIMAL SCALING BB13-37(7)

      BRUNING 64-581 PROPORTIONAL DIVIDER WITH DECIMAL SCALING BB13-37(7)

      C $176.66
      13 watching
    • Fine Gold Recovery Recirculating w/ pump Mini Sluice Box / legs / carpet / 2'x4"

      Fine Gold Recovery Recirculating w/ pump Mini Sluice Box / legs / carpet / 2'x4"

      C $108.70
      C $54.10 shipping
      45 watching
    • Vintage BRASS Aneroid Barometer With Glass Front Excellent Cond Rare & Works

      Vintage BRASS Aneroid Barometer With Glass Front Excellent Cond Rare & Works

      C $249.99
      Free shipping
      or Best Offer
      SPONSORED
    • HACKERBOXES.COM convention lanyard memorabilia

      HACKERBOXES.COM convention lanyard memorabilia

      C $39.41
      C $26.82 shipping
      or Best Offer
      SPONSORED
    • Vintage 1970s Hand Muscle Wall Hanging- Autentic USSR Soviet Medical Poster

      Vintage 1970s Hand Muscle Wall Hanging- Autentic USSR Soviet Medical Poster

      C $130.44
      C $67.93 shipping
      or Best Offer
      SPONSORED
    • Vintage Aristo 0969 Studiolog Slide Rule English Manual;Clean & Working,Germany

      Vintage Aristo 0969 Studiolog Slide Rule English Manual;Clean & Working,Germany

      C $155.00
      C $40.00 shipping
      or Best Offer
      SPONSORED
    • Antique Solid Brass Kaleidoscope base Maritime Telescope Vintage Double Wheel

      Antique Solid Brass Kaleidoscope base Maritime Telescope Vintage Double Wheel

      C $31.97
      Free shipping
      or Best Offer
      71 watching
    • ASR Outdoor Lightweight Backpacker Gold Panning Kit with Rubber Mini Sluice 14pc

      ASR Outdoor Lightweight Backpacker Gold Panning Kit with Rubber Mini Sluice 14pc

      C $71.95
      Was: C $95.11
      C $21.74 shipping
      413 sold
    • Drywasher Cloth Gold Mining dry washer dredge pan sluice nugget metal detector

      Drywasher Cloth Gold Mining dry washer dredge pan sluice nugget metal detector

      C $27.11
      C $17.90 shipping
      or Best Offer
    • SET OF 2 (5 1/2 X 2 1/2) & (2 1/2 X 1) MSHA COAL MINING STICKERS # 1167

      SET OF 2 (5 1/2 X 2 1/2) & (2 1/2 X 1) MSHA COAL MINING STICKERS # 1167

      C $6.78
      C $6.79 shipping
      or Best Offer
    • Vintage Antique Brass Kaleidoscope Gilbert & Sons Handmade Nautical Kids Gift

      Vintage Antique Brass Kaleidoscope Gilbert & Sons Handmade Nautical Kids Gift

      C $27.16
      Free shipping
      or Best Offer
      Only 1 left!
    • Vintage Drafting Tools Compass (Dietzgen Germany, Lutz) Lot of 6

      New ListingVintage Drafting Tools Compass (Dietzgen Germany, Lutz) Lot of 6

      C $27.16
      C $26.44 shipping
    • Perfect Co. Student Microscope Lamp Model 807-A -- Works

      Perfect Co. Student Microscope Lamp Model 807-A -- Works

      C $54.34
      or Best Offer
      SPONSORED
    • Very Rare Vintage Original Slide Rule Circular Logarithmic Ruler Ussr

      Very Rare Vintage Original Slide Rule Circular Logarithmic Ruler Ussr

      C $197.04
      C $16.31 shipping
      SPONSORED
    • Vintage Wooden Kaleidoscope 8’’long

      New ListingVintage Wooden Kaleidoscope 8’’long

      C $33.97
      0 bidsEnding 7 Dec at 10:22 EST6d 21h
    • Vintage Acu-Arc Ruler Adjustable Radius In Original Box

      New ListingVintage Acu-Arc Ruler Adjustable Radius In Original Box

      C $24.46
    • Vintage Pickett Slide Rule with Black Leather Case Model 1010 ES Trig

      New ListingVintage Pickett Slide Rule with Black Leather Case Model 1010 ES Trig

      C $27.16
      or Best Offer
    • Vintage Bamboo Hemmi Japan Frederick Post 1444k Slide Rule

      New ListingVintage Bamboo Hemmi Japan Frederick Post 1444k Slide Rule

      C $12.23
      or Best Offer
    • Vtg 25x30mm 14" Leather Brass Hand Telescope

      New ListingVtg 25x30mm 14" Leather Brass Hand Telescope

      C $47.56
      or Best Offer
    • nice lot of 6 different Fletcher mining stickers

      nice lot of 6 different Fletcher mining stickers

      C $27.18
      0 bids
      C $16.88 shipping
      Ending 5 Dec at 16:42 EST5d 3h
      or Best Offer
    • Very Cute Scale Précision 1900 Without Weight Pharmacy Scales

      New ListingVery Cute Scale Précision 1900 Without Weight Pharmacy Scales

      C $74.25
      C $89.13 shipping
    • nice set of joy mining stickers

      nice set of joy mining stickers

      C $6.79
      0 bids
      C $15.60 shipping
      Ending 5 Dec at 15:39 EST5d 2h
      or Best Offer

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