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Keep Things In Scale

Weighing is easy with this scale's 7" square x 2-5/8" deep dishwasher-safe, easy-pour bowl for kitchen use, and letter holder and mailing tube holder accessories for office use. Goes up to 7kg (7000g) x 1 gram increments and 15.4 lbs in g, kg, lb and oz increments. It has tare, hold, programmable auto-off, and an adjustable audible beep and backlit read-out angle. Takes (3) "AA" batteries, included. Excellent for kitchen, lab or office.

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MULTIPURPOSE DIGITAL SCALE

Keep Things In Scale

Weighing is easy with this scale's 7" square x 2-5/8" deep dishwasher-safe, easy-pour bowl for kitchen use, and letter holder and mailing tube holder accessories for office use. Goes up to 7kg (7000g) x 1 gram increments and 15.4 lbs in g, kg, lb and oz increments. It has tare, hold, programmable auto-off, and an adjustable audible beep and backlit read-out angle. Takes (3) "AA" batteries, included. Excellent for kitchen, lab or office.

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$39.95 EACH

Rubber Plugs

They're gray rubber stoppers, 3/4" dia at the top, threaded at the bottom to fit 17mm ID bottles. They're 7/8" long OA, with a threaded portion 7/16" long. Which doesn't matter a whole lot if you're using them for their most obvious use, which is to glue them to your neck for the world's absolutely best Frankenstein costume!

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RUBBER STOPPER

Rubber Plugs

They're gray rubber stoppers, 3/4" dia at the top, threaded at the bottom to fit 17mm ID bottles. They're 7/8" long OA, with a threaded portion 7/16" long. Which doesn't matter a whole lot if you're using them for their most obvious use, which is to glue them to your neck for the world's absolutely best Frankenstein costume!

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$1.95 PKG (20)

CLEARLY A FLASK

A clear-glass, heat-resistant, volumetric flask with a ground glass neck and mating glass stoppers. These flasks are calibrated either at 500ml or 1000ml depending on which size you need. Both are around 12" tall. Not into lab work? Try it for techie salad dressings! Ain't surplus cool?

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1000ML VOLUMETRIC FLASK HEAT RESISTANT

CLEARLY A FLASK

A clear-glass, heat-resistant, volumetric flask with a ground glass neck and mating glass stoppers. These flasks are calibrated either at 500ml or 1000ml depending on which size you need. Both are around 12" tall. Not into lab work? Try it for techie salad dressings! Ain't surplus cool?

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Blue Tubes

Well, centrifuge tubes with blue screw caps. These are your standard 15ml plastic tubes, 5" long x 5/8" dia with tapered bottoms (unlike yours) and 0.5ml graduation marks. Not a centrifugal person? These are dandy ways to transport liquids in 1/2-oz quantities in your shirt pocket.

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CENTRIFUGE TUBES

Blue Tubes

Well, centrifuge tubes with blue screw caps. These are your standard 15ml plastic tubes, 5" long x 5/8" dia with tapered bottoms (unlike yours) and 0.5ml graduation marks. Not a centrifugal person? These are dandy ways to transport liquids in 1/2-oz quantities in your shirt pocket.

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$3.25 PKG (10)

Nest of Nice Beakers

Polypropylene beakers times five. The nesting set includes a 50ml (marked in 5ml increments) beaker 2-1/8" tall x 2", a 100ml (5ml incr) 2-3/8" x 2-3/8", a 250ml (10ml incr) 3-7/8" x 3-1/4", a 500ml (10ml incr) 4-5/8"x 4", and a 1000ml (25ml incr) 5-3/4" x 4-7/8", all with lips and pouring spouts.

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SET OF 5 POLYPROPYLENE BEAKERS

Nest of Nice Beakers

Polypropylene beakers times five. The nesting set includes a 50ml (marked in 5ml increments) beaker 2-1/8" tall x 2", a 100ml (5ml incr) 2-3/8" x 2-3/8", a 250ml (10ml incr) 3-7/8" x 3-1/4", a 500ml (10ml incr) 4-5/8"x 4", and a 1000ml (25ml incr) 5-3/4" x 4-7/8", all with lips and pouring spouts.

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$11.95 EACH

LCD DIGITAL MICROSCOPE II

Our newest Celestron® compound (biological) microscope is even better than the last one we offered. This one comes with a 3.5" color LCD viewing screen that rotates 180° for easy sharing in a lab, classroom or at home. It has an upgraded 5-megapixel camera that can record 625 hi-res photos or 20 minutes of 30fps video to the included 1GB SD card. The 4X, 10X and 40X objectives provide 40X, 100X and 400X optical magnifications, and the digital zoom raises it up to 1600X. On-screen, button controlled settings allow you to easily adjust exposure, image effects, a digital measuring reticle and other visual tweaks. Top and bottom independently adjustable LED illumination and a built-in 6 position filter wheel allow complete light adjustability. Also included are an AC adapter with 3 extra European adapters for those who travel, (5) prepared slides, USB and video out cables and a rigid lined 15" x 7" x 8.5" OA carrying case with a suitcase-handle and shoulder strap, for storage, field work or classroom visits. Carries a 2-year manufacturer's warranty.

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LCD DIGITAL MICROSCOPE

LCD DIGITAL MICROSCOPE II

Our newest Celestron® compound (biological) microscope is even better than the last one we offered. This one comes with a 3.5" color LCD viewing screen that rotates 180° for easy sharing in a lab, classroom or at home. It has an upgraded 5-megapixel camera that can record 625 hi-res photos or 20 minutes of 30fps video to the included 1GB SD card. The 4X, 10X and 40X objectives provide 40X, 100X and 400X optical magnifications, and the digital zoom raises it up to 1600X. On-screen, button controlled settings allow you to easily adjust exposure, image effects, a digital measuring reticle and other visual tweaks. Top and bottom independently adjustable LED illumination and a built-in 6 position filter wheel allow complete light adjustability. Also included are an AC adapter with 3 extra European adapters for those who travel, (5) prepared slides, USB and video out cables and a rigid lined 15" x 7" x 8.5" OA carrying case with a suitcase-handle and shoulder strap, for storage, field work or classroom visits. Carries a 2-year manufacturer's warranty.

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$229.95 EACH

Clamp Your Burettes, Sir?

This double burette clamp has rubber-coated jaws that can grip a cylinder up to 1-1/2" dia. The adjustable jaws swing on a T-shaped lab-stand clamp for free horizontal movement. Not a chemist? These are perfect for metal sculptors creating fanciful crabs, lobsters and crayfish.

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DOUBLE BURETTE CLAMP

Clamp Your Burettes, Sir?

This double burette clamp has rubber-coated jaws that can grip a cylinder up to 1-1/2" dia. The adjustable jaws swing on a T-shaped lab-stand clamp for free horizontal movement. Not a chemist? These are perfect for metal sculptors creating fanciful crabs, lobsters and crayfish.

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$13.95 EACH

Plastic Graduates

The Graduate devotee knows the importance of plastic. To fill the need we offer these fine cylinders of the hard milky white polypropylene persuasion, to help you measure out your chemicals. With a large bases for stability and spouts for pouring, they are just like their glass cousins, except these are cheaper and not heat-resistant (each is marked 20° C ?!). The graduation increments and total volume are shown as increment/total in milliliters.

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PLASTIC GRADUATED CYLINDER, 10/1000ML

Plastic Graduates

The Graduate devotee knows the importance of plastic. To fill the need we offer these fine cylinders of the hard milky white polypropylene persuasion, to help you measure out your chemicals. With a large bases for stability and spouts for pouring, they are just like their glass cousins, except these are cheaper and not heat-resistant (each is marked 20° C ?!). The graduation increments and total volume are shown as increment/total in milliliters.

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BURNER STANDS

Three-legged steel stands for cooking above burners in the lab. The unit stands 6" tall with a 2–1/4" ID (3–1/4" OD) burner ring. Legs are 1/4" wide chromed steel and angle outward slightly. Burner rings have a grey baked enamel finish. Legs screw into burner rings and have adjusting nuts. Sturdy construction.

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LAB BURNER STAND, 6"

BURNER STANDS

Three-legged steel stands for cooking above burners in the lab. The unit stands 6" tall with a 2–1/4" ID (3–1/4" OD) burner ring. Legs are 1/4" wide chromed steel and angle outward slightly. Burner rings have a grey baked enamel finish. Legs screw into burner rings and have adjusting nuts. Sturdy construction.

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$8.50 EACH

Wing of Locust, Hair of Dog...

A recipe from the Elizabethan Cable Food Network? No, just a couple of samples from our collection of (48) specimens preserved for your classroom examination, with (4) well-labeled specimens on each of (12) standard-size slides. You get animal, plant, insect, textile, and pollen and spore specimens, including camel hair, camellia leaf, plant louse, fruit fly, fern spore, bee wing, nylon, wool, lily pollen, bamboo shoot, goldfish scale, and three dozen more, including our homonymic favorite, hare hair. Grades three and up.

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SLIDE SET

Wing of Locust, Hair of Dog...

A recipe from the Elizabethan Cable Food Network? No, just a couple of samples from our collection of (48) specimens preserved for your classroom examination, with (4) well-labeled specimens on each of (12) standard-size slides. You get animal, plant, insect, textile, and pollen and spore specimens, including camel hair, camellia leaf, plant louse, fruit fly, fern spore, bee wing, nylon, wool, lily pollen, bamboo shoot, goldfish scale, and three dozen more, including our homonymic favorite, hare hair. Grades three and up.

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$23.95 EACH

Convertible Stethoscope

What a price for a Sprague Rappaport stethoscope! And the improved model, at that! The 30" long stethoscope can be easily configured for (5) different functions, replacing other styles. It comes with (1) large and (1) small diaphragm, (3) different sizes of bell-type chestpieces, (3) sizes of eartips, and instructions for use. The interchangeable parts are in a compact, clear-plastic carrying case that fits into a pocket. Tubing will be assorted neon colors (our choice).

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QUALITY SPRAGUE RAPPAPORT STETHOSCOPE WITH CASE

Convertible Stethoscope

What a price for a Sprague Rappaport stethoscope! And the improved model, at that! The 30" long stethoscope can be easily configured for (5) different functions, replacing other styles. It comes with (1) large and (1) small diaphragm, (3) different sizes of bell-type chestpieces, (3) sizes of eartips, and instructions for use. The interchangeable parts are in a compact, clear-plastic carrying case that fits into a pocket. Tubing will be assorted neon colors (our choice).

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$19.95 EACH

Tryptic Soy Agar

Agar, it's not just a crossword puzzle answer. It's the medium of choice for growing bacteria, molds, etc., and just what you need if you're shopping for laboratory staples or for your next science-fair project. Melt the medium in a microwave, pour into a Petri dish, and allow to set before applying test material. Do not freeze, and after exposure or melting, store at the temperature on the label. Does approx. 10-12 petri dishes.

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TRYPTIC SOY AGAR

Tryptic Soy Agar

Agar, it's not just a crossword puzzle answer. It's the medium of choice for growing bacteria, molds, etc., and just what you need if you're shopping for laboratory staples or for your next science-fair project. Melt the medium in a microwave, pour into a Petri dish, and allow to set before applying test material. Do not freeze, and after exposure or melting, store at the temperature on the label. Does approx. 10-12 petri dishes.

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$7.25 EACH

Petri & Agar, The Perfect Pair

Grow your own bacteria with this lab kit from EduSci. You get (3) sealed sterile Petri dishes plus a 1/8-oz bag of agar and instructions for use. Bonus: they teach you that agar is pronounced like jogger without the j.

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Lab Kit: Grow-Your-Own-Bacteria

Petri & Agar, The Perfect Pair

Grow your own bacteria with this lab kit from EduSci. You get (3) sealed sterile Petri dishes plus a 1/8-oz bag of agar and instructions for use. Bonus: they teach you that agar is pronounced like jogger without the j.

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$7.75 EACH

400X STUDENT MICROSCOPE

New, international-standard, full-sized illuminated student microscope, professional quality at a student price. Now comes with a variable intensity 5.5V LED cool illumination system with a built-in rechargeable battery and wall transformer for use or charging. This high-quality compound microscope has turret-mounted achromatic objectives, fine and coarse rack-and-pinion focus and substage diaphragm light control, and a metal frame. It is built to international DIN standards and accepts all DIN eyepieces and objectives. With extras like focus stop for slide protection, adjustable tilt and (2) spring clips, it is a fine instrument for most home science work and projects in the field. If you are looking for more magnification purchase the spring loaded 100X (oil immersion) objective lenses. Brings your scopes total magnification up to 1000X magnification. Our (36) piece assorted specimen set comes on (12) slides. All are great additions.

*Specifications: Magnification: 40X, 100X, 400X.
*Objectives: 4X, 10X, 40X Achromatic.
*Illumination: 5.5V variable LED w/ rechargeable battery
*Stage: 120mm x 130mm with (2) clips.
*Focusing: Rack and pinion coarse/fine
*Weight: 7 lbs., 4 oz. Height:14.5"

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400X STUDENT GRADE MONOCULAR MICROSCOPE

400X STUDENT MICROSCOPE

New, international-standard, full-sized illuminated student microscope, professional quality at a student price. Now comes with a variable intensity 5.5V LED cool illumination system with a built-in rechargeable battery and wall transformer for use or charging. This high-quality compound microscope has turret-mounted achromatic objectives, fine and coarse rack-and-pinion focus and substage diaphragm light control, and a metal frame. It is built to international DIN standards and accepts all DIN eyepieces and objectives. With extras like focus stop for slide protection, adjustable tilt and (2) spring clips, it is a fine instrument for most home science work and projects in the field. If you are looking for more magnification purchase the spring loaded 100X (oil immersion) objective lenses. Brings your scopes total magnification up to 1000X magnification. Our (36) piece assorted specimen set comes on (12) slides. All are great additions.

*Specifications: Magnification: 40X, 100X, 400X.
*Objectives: 4X, 10X, 40X Achromatic.
*Illumination: 5.5V variable LED w/ rechargeable battery
*Stage: 120mm x 130mm with (2) clips.
*Focusing: Rack and pinion coarse/fine
*Weight: 7 lbs., 4 oz. Height:14.5"

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$149.95 EACH

LITMUS PAPER

Chemically treated paper strips to test for acid or base (alkaline) solutions. Use the blue for acids, the red for bases. The more sophisticated hydrion pH test paper strip indicates pH from 1 (bright red) to 14 (dark brown). Values in between can be read by comparing with a color chart that comes with the strips. All have (100) strips of test paper per vial.

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RED LITMUS PAPER

LITMUS PAPER

Chemically treated paper strips to test for acid or base (alkaline) solutions. Use the blue for acids, the red for bases. The more sophisticated hydrion pH test paper strip indicates pH from 1 (bright red) to 14 (dark brown). Values in between can be read by comparing with a color chart that comes with the strips. All have (100) strips of test paper per vial.

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$3.25 PKG (2)

Small, Two-Way Thermometer

On a slightly convex aluminum plate, with small mounting holes top and bottom. Our glass alcohol thermometer measures between -30° and 230°F in 2° increments and between -30° and 110°C in 1° increments. The unit measures 6-1/2" x 1-1/16" with a 4-3/4" long element. Made for the laboratory, but nicely readable and able to hang on your wall without looking like part of a weather station.

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METAL THERMOMETER

Small, Two-Way Thermometer

On a slightly convex aluminum plate, with small mounting holes top and bottom. Our glass alcohol thermometer measures between -30° and 230°F in 2° increments and between -30° and 110°C in 1° increments. The unit measures 6-1/2" x 1-1/16" with a 4-3/4" long element. Made for the laboratory, but nicely readable and able to hang on your wall without looking like part of a weather station.

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$4.75 PKG (2)

Our Flask Inventory Boileth Over

So we're pricing these borosilicate boiling flasks to move quickly. We've got (3) sizes, all with slightly flattened bottoms, each with a single, discreet, capacity mark in white. While the actual physical size can vary slightly, the volume remains the same. The 1000ml flask is 9-5/8" tall OA x 5-5/8" dia with a 1-5/16" ID mouth, and a lip. Takes a #7 rubber stopper. The 500ml flask is 6-7/8" tall OA x 4-1/8" dia with a 1-3/16" ID mouth, and a lip. Takes a #6-1/2 rubber stopper, but a #7 will work. The 250ml flask is 6-1/8" tall OA x 3-3/8" dia with a 1-1/32" ID mouth, and a lip. Takes a #5-1/2 rubber stopper, but a #6 will do the job.

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1000ml BOILING FLASK

Our Flask Inventory Boileth Over

So we're pricing these borosilicate boiling flasks to move quickly. We've got (3) sizes, all with slightly flattened bottoms, each with a single, discreet, capacity mark in white. While the actual physical size can vary slightly, the volume remains the same. The 1000ml flask is 9-5/8" tall OA x 5-5/8" dia with a 1-5/16" ID mouth, and a lip. Takes a #7 rubber stopper. The 500ml flask is 6-7/8" tall OA x 4-1/8" dia with a 1-3/16" ID mouth, and a lip. Takes a #6-1/2 rubber stopper, but a #7 will work. The 250ml flask is 6-1/8" tall OA x 3-3/8" dia with a 1-1/32" ID mouth, and a lip. Takes a #5-1/2 rubber stopper, but a #6 will do the job.

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Got Acid?

Our digital pH meter is ideal for science projects, monitoring your water, keeping your prize-winning tomatoes happy and your aquarium healthy, and more. Has a 1/2" LCD that reads from 0-14 pH with a resolution of 0.2pH. Comes with (3) AG-13 batteries for power, directions for calibration including some 7.01 buffer solution and a screwdriver. Measures approx 5-3/4" long x 1" x 1/2" with a pocket clip and cover for the business end. Made in Romania!

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DIGITAL pH METER

Got Acid?

Our digital pH meter is ideal for science projects, monitoring your water, keeping your prize-winning tomatoes happy and your aquarium healthy, and more. Has a 1/2" LCD that reads from 0-14 pH with a resolution of 0.2pH. Comes with (3) AG-13 batteries for power, directions for calibration including some 7.01 buffer solution and a screwdriver. Measures approx 5-3/4" long x 1" x 1/2" with a pocket clip and cover for the business end. Made in Romania!

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$28.75 EACH

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